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Finding the Fourth Proportional to 22,132.58, 30,542.07 and 12,060.80

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Solution

The fourth proportional to 22,132.58, 30,542.07 and 12,060.80 is: 16,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.58 : 30,542.07 = 12,060.80 : x
  2. Step 2: Convert to fraction form
    22,132.58/30,542.07 = 12,060.80/x
  3. Step 3: Cross multiply
    22,132.58x = 30,542.07 × 12,060.80
  4. Step 4: Simplify right side
    22,132.58x = 368,361,865.91
  5. Step 5: Solve for x
    x = 368,361,865.91/22,132.58
  6. Step 6: Final answer
    x = 16,643.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.