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Finding the Fourth Proportional to 16,658.62, 22,988.18 and 9,104.83

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Solution

The fourth proportional to 16,658.62, 22,988.18 and 9,104.83 is: 12,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.62 : 22,988.18 = 9,104.83 : x
  2. Step 2: Convert to fraction form
    16,658.62/22,988.18 = 9,104.83/x
  3. Step 3: Cross multiply
    16,658.62x = 22,988.18 × 9,104.83
  4. Step 4: Simplify right side
    16,658.62x = 209,303,470.91
  5. Step 5: Solve for x
    x = 209,303,470.91/16,658.62
  6. Step 6: Final answer
    x = 12,564.27

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

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