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Finding the Fourth Proportional to 18,088,699.60, 27,133,049.40 and 10,914,246.10

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Solution

The fourth proportional to 18,088,699.60, 27,133,049.40 and 10,914,246.10 is: 16,371,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088,699.60 : 27,133,049.40 = 10,914,246.10 : x
  2. Step 2: Convert to fraction form
    18,088,699.60/27,133,049.40 = 10,914,246.10/x
  3. Step 3: Cross multiply
    18,088,699.60x = 27,133,049.40 × 10,914,246.10
  4. Step 4: Simplify right side
    18,088,699.60x = 296,136,778,595,057.31
  5. Step 5: Solve for x
    x = 296,136,778,595,057.31/18,088,699.60
  6. Step 6: Final answer
    x = 16,371,369.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.