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Finding the Fourth Proportional to 54,908.38, 75,774.02 and 29,757.88

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Solution

The fourth proportional to 54,908.38, 75,774.02 and 29,757.88 is: 41,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,908.38 : 75,774.02 = 29,757.88 : x
  2. Step 2: Convert to fraction form
    54,908.38/75,774.02 = 29,757.88/x
  3. Step 3: Cross multiply
    54,908.38x = 75,774.02 × 29,757.88
  4. Step 4: Simplify right side
    54,908.38x = 2,254,873,666.62
  5. Step 5: Solve for x
    x = 2,254,873,666.62/54,908.38
  6. Step 6: Final answer
    x = 41,066.12

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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.