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Finding the Fourth Proportional to 60,706.73, 90,982.16 and 29,069.39

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Solution

The fourth proportional to 60,706.73, 90,982.16 and 29,069.39 is: 43,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,706.73 : 90,982.16 = 29,069.39 : x
  2. Step 2: Convert to fraction form
    60,706.73/90,982.16 = 29,069.39/x
  3. Step 3: Cross multiply
    60,706.73x = 90,982.16 × 29,069.39
  4. Step 4: Simplify right side
    60,706.73x = 2,644,795,437.17
  5. Step 5: Solve for x
    x = 2,644,795,437.17/60,706.73
  6. Step 6: Final answer
    x = 43,566.76

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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.