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Finding the Fourth Proportional to 18,080.96, 24,952.75 and 10,123.11

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Solution

The fourth proportional to 18,080.96, 24,952.75 and 10,123.11 is: 13,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.96 : 24,952.75 = 10,123.11 : x
  2. Step 2: Convert to fraction form
    18,080.96/24,952.75 = 10,123.11/x
  3. Step 3: Cross multiply
    18,080.96x = 24,952.75 × 10,123.11
  4. Step 4: Simplify right side
    18,080.96x = 252,599,562.84
  5. Step 5: Solve for x
    x = 252,599,562.84/18,080.96
  6. Step 6: Final answer
    x = 13,970.47

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.