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Finding the Fourth Proportional to 41,959.76, 62,961.24 and 18,602.72

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Solution

The fourth proportional to 41,959.76, 62,961.24 and 18,602.72 is: 27,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,959.76 : 62,961.24 = 18,602.72 : x
  2. Step 2: Convert to fraction form
    41,959.76/62,961.24 = 18,602.72/x
  3. Step 3: Cross multiply
    41,959.76x = 62,961.24 × 18,602.72
  4. Step 4: Simplify right side
    41,959.76x = 1,171,250,318.57
  5. Step 5: Solve for x
    x = 1,171,250,318.57/41,959.76
  6. Step 6: Final answer
    x = 27,913.66

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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.