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Finding the Fourth Proportional to 62,959.76, 94,449.90 and 18,591

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Solution

The fourth proportional to 62,959.76, 94,449.90 and 18,591 is: 27,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,959.76 : 94,449.90 = 18,591 : x
  2. Step 2: Convert to fraction form
    62,959.76/94,449.90 = 18,591/x
  3. Step 3: Cross multiply
    62,959.76x = 94,449.90 × 18,591
  4. Step 4: Simplify right side
    62,959.76x = 1,755,918,090.90
  5. Step 5: Solve for x
    x = 1,755,918,090.90/62,959.76
  6. Step 6: Final answer
    x = 27,889.53

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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.