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Finding the Fourth Proportional to 8,337.69, 12,492.65 and 5,867.32

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Solution

The fourth proportional to 8,337.69, 12,492.65 and 5,867.32 is: 8,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.69 : 12,492.65 = 5,867.32 : x
  2. Step 2: Convert to fraction form
    8,337.69/12,492.65 = 5,867.32/x
  3. Step 3: Cross multiply
    8,337.69x = 12,492.65 × 5,867.32
  4. Step 4: Simplify right side
    8,337.69x = 73,298,375.20
  5. Step 5: Solve for x
    x = 73,298,375.20/8,337.69
  6. Step 6: Final answer
    x = 8,791.21

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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.