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Finding the Fourth Proportional to 4,218.24, 5,819.24 and 2,726.64

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Solution

The fourth proportional to 4,218.24, 5,819.24 and 2,726.64 is: 3,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.24 : 5,819.24 = 2,726.64 : x
  2. Step 2: Convert to fraction form
    4,218.24/5,819.24 = 2,726.64/x
  3. Step 3: Cross multiply
    4,218.24x = 5,819.24 × 2,726.64
  4. Step 4: Simplify right side
    4,218.24x = 15,866,972.55
  5. Step 5: Solve for x
    x = 15,866,972.55/4,218.24
  6. Step 6: Final answer
    x = 3,761.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.