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Finding the Fourth Proportional to 62,988.80, 94,483.20 and 29,697.92

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Solution

The fourth proportional to 62,988.80, 94,483.20 and 29,697.92 is: 44,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,988.80 : 94,483.20 = 29,697.92 : x
  2. Step 2: Convert to fraction form
    62,988.80/94,483.20 = 29,697.92/x
  3. Step 3: Cross multiply
    62,988.80x = 94,483.20 × 29,697.92
  4. Step 4: Simplify right side
    62,988.80x = 2,805,954,514.94
  5. Step 5: Solve for x
    x = 2,805,954,514.94/62,988.80
  6. Step 6: Final answer
    x = 44,546.88

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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.