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Finding the Fourth Proportional to 65,915.68, 98,829.60 and 34,247.92

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Solution

The fourth proportional to 65,915.68, 98,829.60 and 34,247.92 is: 51,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,915.68 : 98,829.60 = 34,247.92 : x
  2. Step 2: Convert to fraction form
    65,915.68/98,829.60 = 34,247.92/x
  3. Step 3: Cross multiply
    65,915.68x = 98,829.60 × 34,247.92
  4. Step 4: Simplify right side
    65,915.68x = 3,384,708,234.43
  5. Step 5: Solve for x
    x = 3,384,708,234.43/65,915.68
  6. Step 6: Final answer
    x = 51,349.06

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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.