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Finding the Fourth Proportional to 5,593.68, 8,390.16 and 1,489.68

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Solution

The fourth proportional to 5,593.68, 8,390.16 and 1,489.68 is: 2,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,593.68 : 8,390.16 = 1,489.68 : x
  2. Step 2: Convert to fraction form
    5,593.68/8,390.16 = 1,489.68/x
  3. Step 3: Cross multiply
    5,593.68x = 8,390.16 × 1,489.68
  4. Step 4: Simplify right side
    5,593.68x = 12,498,653.55
  5. Step 5: Solve for x
    x = 12,498,653.55/5,593.68
  6. Step 6: Final answer
    x = 2,234.42

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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.