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Finding the Fourth Proportional to 60,756.56, 91,080.60 and 32,691.68

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Solution

The fourth proportional to 60,756.56, 91,080.60 and 32,691.68 is: 49,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,756.56 : 91,080.60 = 32,691.68 : x
  2. Step 2: Convert to fraction form
    60,756.56/91,080.60 = 32,691.68/x
  3. Step 3: Cross multiply
    60,756.56x = 91,080.60 × 32,691.68
  4. Step 4: Simplify right side
    60,756.56x = 2,977,577,829.41
  5. Step 5: Solve for x
    x = 2,977,577,829.41/60,756.56
  6. Step 6: Final answer
    x = 49,008.33

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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.