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Finding the Fourth Proportional to 8,392.52, 12,593.20 and 3,715.77

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Solution

The fourth proportional to 8,392.52, 12,593.20 and 3,715.77 is: 5,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.52 : 12,593.20 = 3,715.77 : x
  2. Step 2: Convert to fraction form
    8,392.52/12,593.20 = 3,715.77/x
  3. Step 3: Cross multiply
    8,392.52x = 12,593.20 × 3,715.77
  4. Step 4: Simplify right side
    8,392.52x = 46,793,416.19
  5. Step 5: Solve for x
    x = 46,793,416.19/8,392.52
  6. Step 6: Final answer
    x = 5,575.61

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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.