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Finding the Fourth Proportional to 29,382.88, 44,065.96 and 8,321.52

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Solution

The fourth proportional to 29,382.88, 44,065.96 and 8,321.52 is: 12,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,382.88 : 44,065.96 = 8,321.52 : x
  2. Step 2: Convert to fraction form
    29,382.88/44,065.96 = 8,321.52/x
  3. Step 3: Cross multiply
    29,382.88x = 44,065.96 × 8,321.52
  4. Step 4: Simplify right side
    29,382.88x = 366,695,767.46
  5. Step 5: Solve for x
    x = 366,695,767.46/29,382.88
  6. Step 6: Final answer
    x = 12,479.91

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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.