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Finding the Fourth Proportional to 8,723.97, 13,079.07 and 4,339.04

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Solution

The fourth proportional to 8,723.97, 13,079.07 and 4,339.04 is: 6,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.97 : 13,079.07 = 4,339.04 : x
  2. Step 2: Convert to fraction form
    8,723.97/13,079.07 = 4,339.04/x
  3. Step 3: Cross multiply
    8,723.97x = 13,079.07 × 4,339.04
  4. Step 4: Simplify right side
    8,723.97x = 56,750,542.50
  5. Step 5: Solve for x
    x = 56,750,542.50/8,723.97
  6. Step 6: Final answer
    x = 6,505.13

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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.