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Finding the Fourth Proportional to 22,989.60, 34,484.40 and 9,843.30

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Solution

The fourth proportional to 22,989.60, 34,484.40 and 9,843.30 is: 14,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,989.60 : 34,484.40 = 9,843.30 : x
  2. Step 2: Convert to fraction form
    22,989.60/34,484.40 = 9,843.30/x
  3. Step 3: Cross multiply
    22,989.60x = 34,484.40 × 9,843.30
  4. Step 4: Simplify right side
    22,989.60x = 339,440,294.52
  5. Step 5: Solve for x
    x = 339,440,294.52/22,989.60
  6. Step 6: Final answer
    x = 14,764.95

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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.