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Finding the Fourth Proportional to 65,342.48, 98,002 and 17,311.40

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Solution

The fourth proportional to 65,342.48, 98,002 and 17,311.40 is: 25,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,342.48 : 98,002 = 17,311.40 : x
  2. Step 2: Convert to fraction form
    65,342.48/98,002 = 17,311.40/x
  3. Step 3: Cross multiply
    65,342.48x = 98,002 × 17,311.40
  4. Step 4: Simplify right side
    65,342.48x = 1,696,551,822.80
  5. Step 5: Solve for x
    x = 1,696,551,822.80/65,342.48
  6. Step 6: Final answer
    x = 25,963.99

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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.