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Finding the Fourth Proportional to 57,714.93, 86,711.11 and 54,528.59

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Solution

The fourth proportional to 57,714.93, 86,711.11 and 54,528.59 is: 81,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,714.93 : 86,711.11 = 54,528.59 : x
  2. Step 2: Convert to fraction form
    57,714.93/86,711.11 = 54,528.59/x
  3. Step 3: Cross multiply
    57,714.93x = 86,711.11 × 54,528.59
  4. Step 4: Simplify right side
    57,714.93x = 4,728,234,646.09
  5. Step 5: Solve for x
    x = 4,728,234,646.09/57,714.93
  6. Step 6: Final answer
    x = 81,923.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.