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Finding the Fourth Proportional to 35,229.30, 52,810.86 and 11,839.38

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Solution

The fourth proportional to 35,229.30, 52,810.86 and 11,839.38 is: 17,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,229.30 : 52,810.86 = 11,839.38 : x
  2. Step 2: Convert to fraction form
    35,229.30/52,810.86 = 11,839.38/x
  3. Step 3: Cross multiply
    35,229.30x = 52,810.86 × 11,839.38
  4. Step 4: Simplify right side
    35,229.30x = 625,247,839.67
  5. Step 5: Solve for x
    x = 625,247,839.67/35,229.30
  6. Step 6: Final answer
    x = 17,747.95

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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.