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Finding the Fourth Proportional to 4,092.56, 6,138.84 and 1,493.68

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Solution

The fourth proportional to 4,092.56, 6,138.84 and 1,493.68 is: 2,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.56 : 6,138.84 = 1,493.68 : x
  2. Step 2: Convert to fraction form
    4,092.56/6,138.84 = 1,493.68/x
  3. Step 3: Cross multiply
    4,092.56x = 6,138.84 × 1,493.68
  4. Step 4: Simplify right side
    4,092.56x = 9,169,462.53
  5. Step 5: Solve for x
    x = 9,169,462.53/4,092.56
  6. Step 6: Final answer
    x = 2,240.52

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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.