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Finding the Fourth Proportional to 65,963.96, 98,915.22 and 38,269.88

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Solution

The fourth proportional to 65,963.96, 98,915.22 and 38,269.88 is: 57,387.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,963.96 : 98,915.22 = 38,269.88 : x
  2. Step 2: Convert to fraction form
    65,963.96/98,915.22 = 38,269.88/x
  3. Step 3: Cross multiply
    65,963.96x = 98,915.22 × 38,269.88
  4. Step 4: Simplify right side
    65,963.96x = 3,785,473,599.57
  5. Step 5: Solve for x
    x = 3,785,473,599.57/65,963.96
  6. Step 6: Final answer
    x = 57,387.00

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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.