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Finding the Fourth Proportional to 8,269.08, 12,402.54 and 3,651

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Solution

The fourth proportional to 8,269.08, 12,402.54 and 3,651 is: 5,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.08 : 12,402.54 = 3,651 : x
  2. Step 2: Convert to fraction form
    8,269.08/12,402.54 = 3,651/x
  3. Step 3: Cross multiply
    8,269.08x = 12,402.54 × 3,651
  4. Step 4: Simplify right side
    8,269.08x = 45,281,673.54
  5. Step 5: Solve for x
    x = 45,281,673.54/8,269.08
  6. Step 6: Final answer
    x = 5,476.02

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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.