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Finding the Fourth Proportional to 60,968.50, 91,469.18 and 25,418.00

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Solution

The fourth proportional to 60,968.50, 91,469.18 and 25,418.00 is: 38,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,968.50 : 91,469.18 = 25,418.00 : x
  2. Step 2: Convert to fraction form
    60,968.50/91,469.18 = 25,418.00/x
  3. Step 3: Cross multiply
    60,968.50x = 91,469.18 × 25,418.00
  4. Step 4: Simplify right side
    60,968.50x = 2,324,963,909.46
  5. Step 5: Solve for x
    x = 2,324,963,909.46/60,968.50
  6. Step 6: Final answer
    x = 38,133.86

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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.