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Finding the Fourth Proportional to 8,337.49, 12,492.35 and 5,867.12

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Solution

The fourth proportional to 8,337.49, 12,492.35 and 5,867.12 is: 8,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.49 : 12,492.35 = 5,867.12 : x
  2. Step 2: Convert to fraction form
    8,337.49/12,492.35 = 5,867.12/x
  3. Step 3: Cross multiply
    8,337.49x = 12,492.35 × 5,867.12
  4. Step 4: Simplify right side
    8,337.49x = 73,294,024.73
  5. Step 5: Solve for x
    x = 73,294,024.73/8,337.49
  6. Step 6: Final answer
    x = 8,790.90

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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.