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Finding the Fourth Proportional to 18,006.30, 27,009.45 and 16,127.10

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Solution

The fourth proportional to 18,006.30, 27,009.45 and 16,127.10 is: 24,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006.30 : 27,009.45 = 16,127.10 : x
  2. Step 2: Convert to fraction form
    18,006.30/27,009.45 = 16,127.10/x
  3. Step 3: Cross multiply
    18,006.30x = 27,009.45 × 16,127.10
  4. Step 4: Simplify right side
    18,006.30x = 435,584,101.10
  5. Step 5: Solve for x
    x = 435,584,101.10/18,006.30
  6. Step 6: Final answer
    x = 24,190.65

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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.