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Finding the Fourth Proportional to 65,617.53, 98,334.79 and 49,593.91

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Solution

The fourth proportional to 65,617.53, 98,334.79 and 49,593.91 is: 74,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,617.53 : 98,334.79 = 49,593.91 : x
  2. Step 2: Convert to fraction form
    65,617.53/98,334.79 = 49,593.91/x
  3. Step 3: Cross multiply
    65,617.53x = 98,334.79 × 49,593.91
  4. Step 4: Simplify right side
    65,617.53x = 4,876,806,725.13
  5. Step 5: Solve for x
    x = 4,876,806,725.13/65,617.53
  6. Step 6: Final answer
    x = 74,321.71

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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.