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Finding the Fourth Proportional to 22,379.70, 33,569.55 and 9,225.30

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Solution

The fourth proportional to 22,379.70, 33,569.55 and 9,225.30 is: 13,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.70 : 33,569.55 = 9,225.30 : x
  2. Step 2: Convert to fraction form
    22,379.70/33,569.55 = 9,225.30/x
  3. Step 3: Cross multiply
    22,379.70x = 33,569.55 × 9,225.30
  4. Step 4: Simplify right side
    22,379.70x = 309,689,169.62
  5. Step 5: Solve for x
    x = 309,689,169.62/22,379.70
  6. Step 6: Final answer
    x = 13,837.95

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Similar ratio
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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.