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Finding the Fourth Proportional to 8,395.92, 12,587.04 and 4,694.43

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Solution

The fourth proportional to 8,395.92, 12,587.04 and 4,694.43 is: 7,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.92 : 12,587.04 = 4,694.43 : x
  2. Step 2: Convert to fraction form
    8,395.92/12,587.04 = 4,694.43/x
  3. Step 3: Cross multiply
    8,395.92x = 12,587.04 × 4,694.43
  4. Step 4: Simplify right side
    8,395.92x = 59,088,978.19
  5. Step 5: Solve for x
    x = 59,088,978.19/8,395.92
  6. Step 6: Final answer
    x = 7,037.82

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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.