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Finding the Fourth Proportional to 57,371.80, 85,984.68 and 32,425.76

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Solution

The fourth proportional to 57,371.80, 85,984.68 and 32,425.76 is: 48,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371.80 : 85,984.68 = 32,425.76 : x
  2. Step 2: Convert to fraction form
    57,371.80/85,984.68 = 32,425.76/x
  3. Step 3: Cross multiply
    57,371.80x = 85,984.68 × 32,425.76
  4. Step 4: Simplify right side
    57,371.80x = 2,788,118,597.36
  5. Step 5: Solve for x
    x = 2,788,118,597.36/57,371.80
  6. Step 6: Final answer
    x = 48,597.37

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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.