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Finding the Fourth Proportional to 15,209.19, 22,766.00 and 9,668.79

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Solution

The fourth proportional to 15,209.19, 22,766.00 and 9,668.79 is: 14,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.19 : 22,766.00 = 9,668.79 : x
  2. Step 2: Convert to fraction form
    15,209.19/22,766.00 = 9,668.79/x
  3. Step 3: Cross multiply
    15,209.19x = 22,766.00 × 9,668.79
  4. Step 4: Simplify right side
    15,209.19x = 220,119,624.80
  5. Step 5: Solve for x
    x = 220,119,624.80/15,209.19
  6. Step 6: Final answer
    x = 14,472.80

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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.