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Finding the Fourth Proportional to 23,143.92, 34,716.08 and 5,613.76

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Solution

The fourth proportional to 23,143.92, 34,716.08 and 5,613.76 is: 8,420.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.92 : 34,716.08 = 5,613.76 : x
  2. Step 2: Convert to fraction form
    23,143.92/34,716.08 = 5,613.76/x
  3. Step 3: Cross multiply
    23,143.92x = 34,716.08 × 5,613.76
  4. Step 4: Simplify right side
    23,143.92x = 194,887,741.26
  5. Step 5: Solve for x
    x = 194,887,741.26/23,143.92
  6. Step 6: Final answer
    x = 8,420.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.