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Finding the Fourth Proportional to 54,892.70, 75,751.94 and 29,742.20

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Solution

The fourth proportional to 54,892.70, 75,751.94 and 29,742.20 is: 41,044.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,892.70 : 75,751.94 = 29,742.20 : x
  2. Step 2: Convert to fraction form
    54,892.70/75,751.94 = 29,742.20/x
  3. Step 3: Cross multiply
    54,892.70x = 75,751.94 × 29,742.20
  4. Step 4: Simplify right side
    54,892.70x = 2,253,029,329.53
  5. Step 5: Solve for x
    x = 2,253,029,329.53/54,892.70
  6. Step 6: Final answer
    x = 41,044.24

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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.