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Finding the Fourth Proportional to 17,892.15, 26,866.31 and 15,154.71

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Solution

The fourth proportional to 17,892.15, 26,866.31 and 15,154.71 is: 22,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.15 : 26,866.31 = 15,154.71 : x
  2. Step 2: Convert to fraction form
    17,892.15/26,866.31 = 15,154.71/x
  3. Step 3: Cross multiply
    17,892.15x = 26,866.31 × 15,154.71
  4. Step 4: Simplify right side
    17,892.15x = 407,151,136.82
  5. Step 5: Solve for x
    x = 407,151,136.82/17,892.15
  6. Step 6: Final answer
    x = 22,755.85

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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.