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Finding the Fourth Proportional to 6,613.61, 9,921.00 and 2,453.66

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Solution

The fourth proportional to 6,613.61, 9,921.00 and 2,453.66 is: 3,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.61 : 9,921.00 = 2,453.66 : x
  2. Step 2: Convert to fraction form
    6,613.61/9,921.00 = 2,453.66/x
  3. Step 3: Cross multiply
    6,613.61x = 9,921.00 × 2,453.66
  4. Step 4: Simplify right side
    6,613.61x = 24,342,779.53
  5. Step 5: Solve for x
    x = 24,342,779.53/6,613.61
  6. Step 6: Final answer
    x = 3,680.71

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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.