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Finding the Fourth Proportional to 71,593.06, 98,799.64 and 39,329.03

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Solution

The fourth proportional to 71,593.06, 98,799.64 and 39,329.03 is: 54,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,593.06 : 98,799.64 = 39,329.03 : x
  2. Step 2: Convert to fraction form
    71,593.06/98,799.64 = 39,329.03/x
  3. Step 3: Cross multiply
    71,593.06x = 98,799.64 × 39,329.03
  4. Step 4: Simplify right side
    71,593.06x = 3,885,693,808.90
  5. Step 5: Solve for x
    x = 3,885,693,808.90/71,593.06
  6. Step 6: Final answer
    x = 54,274.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.