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Finding the Fourth Proportional to 60,406.88, 90,629.76 and 25,337.12

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Solution

The fourth proportional to 60,406.88, 90,629.76 and 25,337.12 is: 38,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,406.88 : 90,629.76 = 25,337.12 : x
  2. Step 2: Convert to fraction form
    60,406.88/90,629.76 = 25,337.12/x
  3. Step 3: Cross multiply
    60,406.88x = 90,629.76 × 25,337.12
  4. Step 4: Simplify right side
    60,406.88x = 2,296,297,104.69
  5. Step 5: Solve for x
    x = 2,296,297,104.69/60,406.88
  6. Step 6: Final answer
    x = 38,013.83

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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.