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Finding the Fourth Proportional to 8,337.33, 12,497.79 and 3,957.86

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Solution

The fourth proportional to 8,337.33, 12,497.79 and 3,957.86 is: 5,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.33 : 12,497.79 = 3,957.86 : x
  2. Step 2: Convert to fraction form
    8,337.33/12,497.79 = 3,957.86/x
  3. Step 3: Cross multiply
    8,337.33x = 12,497.79 × 3,957.86
  4. Step 4: Simplify right side
    8,337.33x = 49,464,503.13
  5. Step 5: Solve for x
    x = 49,464,503.13/8,337.33
  6. Step 6: Final answer
    x = 5,932.89

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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.