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Finding the Fourth Proportional to 29,470.92, 40,668.93 and 17,531.52

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Solution

The fourth proportional to 29,470.92, 40,668.93 and 17,531.52 is: 24,192.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,470.92 : 40,668.93 = 17,531.52 : x
  2. Step 2: Convert to fraction form
    29,470.92/40,668.93 = 17,531.52/x
  3. Step 3: Cross multiply
    29,470.92x = 40,668.93 × 17,531.52
  4. Step 4: Simplify right side
    29,470.92x = 712,988,159.67
  5. Step 5: Solve for x
    x = 712,988,159.67/29,470.92
  6. Step 6: Final answer
    x = 24,192.94

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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.