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Finding the Fourth Proportional to 15,184.56, 22,761.12 and 7,383.68

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Solution

The fourth proportional to 15,184.56, 22,761.12 and 7,383.68 is: 11,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.56 : 22,761.12 = 7,383.68 : x
  2. Step 2: Convert to fraction form
    15,184.56/22,761.12 = 7,383.68/x
  3. Step 3: Cross multiply
    15,184.56x = 22,761.12 × 7,383.68
  4. Step 4: Simplify right side
    15,184.56x = 168,060,826.52
  5. Step 5: Solve for x
    x = 168,060,826.52/15,184.56
  6. Step 6: Final answer
    x = 11,067.88

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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.