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Finding the Fourth Proportional to 22,980.52, 34,473.90 and 11,294.20

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Solution

The fourth proportional to 22,980.52, 34,473.90 and 11,294.20 is: 16,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,980.52 : 34,473.90 = 11,294.20 : x
  2. Step 2: Convert to fraction form
    22,980.52/34,473.90 = 11,294.20/x
  3. Step 3: Cross multiply
    22,980.52x = 34,473.90 × 11,294.20
  4. Step 4: Simplify right side
    22,980.52x = 389,355,121.38
  5. Step 5: Solve for x
    x = 389,355,121.38/22,980.52
  6. Step 6: Final answer
    x = 16,942.83

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1.5x scale

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.