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Finding the Fourth Proportional to 67,951.74, 101,949.48 and 28,498.26

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Solution

The fourth proportional to 67,951.74, 101,949.48 and 28,498.26 is: 42,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,951.74 : 101,949.48 = 28,498.26 : x
  2. Step 2: Convert to fraction form
    67,951.74/101,949.48 = 28,498.26/x
  3. Step 3: Cross multiply
    67,951.74x = 101,949.48 × 28,498.26
  4. Step 4: Simplify right side
    67,951.74x = 2,905,382,787.90
  5. Step 5: Solve for x
    x = 2,905,382,787.90/67,951.74
  6. Step 6: Final answer
    x = 42,756.56

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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.