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Finding the Fourth Proportional to 40,610.80, 60,904.52 and 15,648.88

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Solution

The fourth proportional to 40,610.80, 60,904.52 and 15,648.88 is: 23,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,610.80 : 60,904.52 = 15,648.88 : x
  2. Step 2: Convert to fraction form
    40,610.80/60,904.52 = 15,648.88/x
  3. Step 3: Cross multiply
    40,610.80x = 60,904.52 × 15,648.88
  4. Step 4: Simplify right side
    40,610.80x = 953,087,524.94
  5. Step 5: Solve for x
    x = 953,087,524.94/40,610.80
  6. Step 6: Final answer
    x = 23,468.82

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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.