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Finding the Fourth Proportional to 22,132.82, 30,542.73 and 12,061.52

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Solution

The fourth proportional to 22,132.82, 30,542.73 and 12,061.52 is: 16,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.82 : 30,542.73 = 12,061.52 : x
  2. Step 2: Convert to fraction form
    22,132.82/30,542.73 = 12,061.52/x
  3. Step 3: Cross multiply
    22,132.82x = 30,542.73 × 12,061.52
  4. Step 4: Simplify right side
    22,132.82x = 368,391,748.75
  5. Step 5: Solve for x
    x = 368,391,748.75/22,132.82
  6. Step 6: Final answer
    x = 16,644.59

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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.