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Finding the Fourth Proportional to 23,458.88, 35,175 and 20,691.92

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Solution

The fourth proportional to 23,458.88, 35,175 and 20,691.92 is: 31,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,458.88 : 35,175 = 20,691.92 : x
  2. Step 2: Convert to fraction form
    23,458.88/35,175 = 20,691.92/x
  3. Step 3: Cross multiply
    23,458.88x = 35,175 × 20,691.92
  4. Step 4: Simplify right side
    23,458.88x = 727,838,286.00
  5. Step 5: Solve for x
    x = 727,838,286.00/23,458.88
  6. Step 6: Final answer
    x = 31,026.13

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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.