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Finding the Fourth Proportional to 71,294.88, 106,947.84 and 23,910.24

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Solution

The fourth proportional to 71,294.88, 106,947.84 and 23,910.24 is: 35,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,294.88 : 106,947.84 = 23,910.24 : x
  2. Step 2: Convert to fraction form
    71,294.88/106,947.84 = 23,910.24/x
  3. Step 3: Cross multiply
    71,294.88x = 106,947.84 × 23,910.24
  4. Step 4: Simplify right side
    71,294.88x = 2,557,148,521.88
  5. Step 5: Solve for x
    x = 2,557,148,521.88/71,294.88
  6. Step 6: Final answer
    x = 35,867.21

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1.5x scale

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.