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Finding the Fourth Proportional to 54,691.64, 75,445.64 and 37,666.38

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Solution

The fourth proportional to 54,691.64, 75,445.64 and 37,666.38 is: 51,959.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,691.64 : 75,445.64 = 37,666.38 : x
  2. Step 2: Convert to fraction form
    54,691.64/75,445.64 = 37,666.38/x
  3. Step 3: Cross multiply
    54,691.64x = 75,445.64 × 37,666.38
  4. Step 4: Simplify right side
    54,691.64x = 2,841,764,593.29
  5. Step 5: Solve for x
    x = 2,841,764,593.29/54,691.64
  6. Step 6: Final answer
    x = 51,959.76

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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.