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Finding the Fourth Proportional to 31,894.58, 47,841.90 and 15,250.70

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Solution

The fourth proportional to 31,894.58, 47,841.90 and 15,250.70 is: 22,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,894.58 : 47,841.90 = 15,250.70 : x
  2. Step 2: Convert to fraction form
    31,894.58/47,841.90 = 15,250.70/x
  3. Step 3: Cross multiply
    31,894.58x = 47,841.90 × 15,250.70
  4. Step 4: Simplify right side
    31,894.58x = 729,622,464.33
  5. Step 5: Solve for x
    x = 729,622,464.33/31,894.58
  6. Step 6: Final answer
    x = 22,876.06

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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.