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Finding the Fourth Proportional to 61,049.59, 91,565.07 and 16,679.95

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Solution

The fourth proportional to 61,049.59, 91,565.07 and 16,679.95 is: 25,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,049.59 : 91,565.07 = 16,679.95 : x
  2. Step 2: Convert to fraction form
    61,049.59/91,565.07 = 16,679.95/x
  3. Step 3: Cross multiply
    61,049.59x = 91,565.07 × 16,679.95
  4. Step 4: Simplify right side
    61,049.59x = 1,527,300,789.35
  5. Step 5: Solve for x
    x = 1,527,300,789.35/61,049.59
  6. Step 6: Final answer
    x = 25,017.38

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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.