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Finding the Fourth Proportional to 24,668.52, 34,046.28 and 15,720

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Solution

The fourth proportional to 24,668.52, 34,046.28 and 15,720 is: 21,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,668.52 : 34,046.28 = 15,720 : x
  2. Step 2: Convert to fraction form
    24,668.52/34,046.28 = 15,720/x
  3. Step 3: Cross multiply
    24,668.52x = 34,046.28 × 15,720
  4. Step 4: Simplify right side
    24,668.52x = 535,207,521.60
  5. Step 5: Solve for x
    x = 535,207,521.60/24,668.52
  6. Step 6: Final answer
    x = 21,695.97

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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.