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Finding the Fourth Proportional to 11,149.59, 16,726.95 and 3,753.86

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Solution

The fourth proportional to 11,149.59, 16,726.95 and 3,753.86 is: 5,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.59 : 16,726.95 = 3,753.86 : x
  2. Step 2: Convert to fraction form
    11,149.59/16,726.95 = 3,753.86/x
  3. Step 3: Cross multiply
    11,149.59x = 16,726.95 × 3,753.86
  4. Step 4: Simplify right side
    11,149.59x = 62,790,526.12
  5. Step 5: Solve for x
    x = 62,790,526.12/11,149.59
  6. Step 6: Final answer
    x = 5,631.64

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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.