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Finding the Fourth Proportional to 57,987.54, 86,841.72 and 32,966.37

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Solution

The fourth proportional to 57,987.54, 86,841.72 and 32,966.37 is: 49,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.54 : 86,841.72 = 32,966.37 : x
  2. Step 2: Convert to fraction form
    57,987.54/86,841.72 = 32,966.37/x
  3. Step 3: Cross multiply
    57,987.54x = 86,841.72 × 32,966.37
  4. Step 4: Simplify right side
    57,987.54x = 2,862,856,272.96
  5. Step 5: Solve for x
    x = 2,862,856,272.96/57,987.54
  6. Step 6: Final answer
    x = 49,370.20

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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.