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Finding the Fourth Proportional to 29,240.16, 43,867.54 and 8,463.66

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Solution

The fourth proportional to 29,240.16, 43,867.54 and 8,463.66 is: 12,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,240.16 : 43,867.54 = 8,463.66 : x
  2. Step 2: Convert to fraction form
    29,240.16/43,867.54 = 8,463.66/x
  3. Step 3: Cross multiply
    29,240.16x = 43,867.54 × 8,463.66
  4. Step 4: Simplify right side
    29,240.16x = 371,279,789.67
  5. Step 5: Solve for x
    x = 371,279,789.67/29,240.16
  6. Step 6: Final answer
    x = 12,697.60

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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.