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Finding the Fourth Proportional to 3,915.61, 5,404.22 and 2,344.61

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Solution

The fourth proportional to 3,915.61, 5,404.22 and 2,344.61 is: 3,235.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.61 : 5,404.22 = 2,344.61 : x
  2. Step 2: Convert to fraction form
    3,915.61/5,404.22 = 2,344.61/x
  3. Step 3: Cross multiply
    3,915.61x = 5,404.22 × 2,344.61
  4. Step 4: Simplify right side
    3,915.61x = 12,670,798.83
  5. Step 5: Solve for x
    x = 12,670,798.83/3,915.61
  6. Step 6: Final answer
    x = 3,235.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.