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Finding the Fourth Proportional to 6,652.43, 9,978.95 and 2,269.92

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Solution

The fourth proportional to 6,652.43, 9,978.95 and 2,269.92 is: 3,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.43 : 9,978.95 = 2,269.92 : x
  2. Step 2: Convert to fraction form
    6,652.43/9,978.95 = 2,269.92/x
  3. Step 3: Cross multiply
    6,652.43x = 9,978.95 × 2,269.92
  4. Step 4: Simplify right side
    6,652.43x = 22,651,431.78
  5. Step 5: Solve for x
    x = 22,651,431.78/6,652.43
  6. Step 6: Final answer
    x = 3,404.99

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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.