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Finding the Fourth Proportional to 29,305.24, 43,957.87 and 7,118.47

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Solution

The fourth proportional to 29,305.24, 43,957.87 and 7,118.47 is: 10,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.24 : 43,957.87 = 7,118.47 : x
  2. Step 2: Convert to fraction form
    29,305.24/43,957.87 = 7,118.47/x
  3. Step 3: Cross multiply
    29,305.24x = 43,957.87 × 7,118.47
  4. Step 4: Simplify right side
    29,305.24x = 312,912,820.61
  5. Step 5: Solve for x
    x = 312,912,820.61/29,305.24
  6. Step 6: Final answer
    x = 10,677.71

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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.