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Finding the Fourth Proportional to 54,881.52, 75,737.02 and 29,731.56

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Solution

The fourth proportional to 54,881.52, 75,737.02 and 29,731.56 is: 41,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,881.52 : 75,737.02 = 29,731.56 : x
  2. Step 2: Convert to fraction form
    54,881.52/75,737.02 = 29,731.56/x
  3. Step 3: Cross multiply
    54,881.52x = 75,737.02 × 29,731.56
  4. Step 4: Simplify right side
    54,881.52x = 2,251,779,754.35
  5. Step 5: Solve for x
    x = 2,251,779,754.35/54,881.52
  6. Step 6: Final answer
    x = 41,029.84

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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.