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Finding the Fourth Proportional to 5,578.68, 8,366.62 and 2,292.68

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Solution

The fourth proportional to 5,578.68, 8,366.62 and 2,292.68 is: 3,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.68 : 8,366.62 = 2,292.68 : x
  2. Step 2: Convert to fraction form
    5,578.68/8,366.62 = 2,292.68/x
  3. Step 3: Cross multiply
    5,578.68x = 8,366.62 × 2,292.68
  4. Step 4: Simplify right side
    5,578.68x = 19,181,982.34
  5. Step 5: Solve for x
    x = 19,181,982.34/5,578.68
  6. Step 6: Final answer
    x = 3,438.44

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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.