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Finding the Fourth Proportional to 67,626.28, 101,292 and 38,028.88

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Solution

The fourth proportional to 67,626.28, 101,292 and 38,028.88 is: 56,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,626.28 : 101,292 = 38,028.88 : x
  2. Step 2: Convert to fraction form
    67,626.28/101,292 = 38,028.88/x
  3. Step 3: Cross multiply
    67,626.28x = 101,292 × 38,028.88
  4. Step 4: Simplify right side
    67,626.28x = 3,852,021,312.96
  5. Step 5: Solve for x
    x = 3,852,021,312.96/67,626.28
  6. Step 6: Final answer
    x = 56,960.42

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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.