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Finding the Fourth Proportional to 54,892.80, 75,752.10 and 29,742.12

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Solution

The fourth proportional to 54,892.80, 75,752.10 and 29,742.12 is: 41,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,892.80 : 75,752.10 = 29,742.12 : x
  2. Step 2: Convert to fraction form
    54,892.80/75,752.10 = 29,742.12/x
  3. Step 3: Cross multiply
    54,892.80x = 75,752.10 × 29,742.12
  4. Step 4: Simplify right side
    54,892.80x = 2,253,028,048.45
  5. Step 5: Solve for x
    x = 2,253,028,048.45/54,892.80
  6. Step 6: Final answer
    x = 41,044.15

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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.