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Finding the Fourth Proportional to 15,937.17, 23,909.49 and 15,672.71

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Solution

The fourth proportional to 15,937.17, 23,909.49 and 15,672.71 is: 23,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.17 : 23,909.49 = 15,672.71 : x
  2. Step 2: Convert to fraction form
    15,937.17/23,909.49 = 15,672.71/x
  3. Step 3: Cross multiply
    15,937.17x = 23,909.49 × 15,672.71
  4. Step 4: Simplify right side
    15,937.17x = 374,726,383.47
  5. Step 5: Solve for x
    x = 374,726,383.47/15,937.17
  6. Step 6: Final answer
    x = 23,512.73

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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.