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Finding the Fourth Proportional to 5,627.88, 8,443.44 and 2,854.44

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Solution

The fourth proportional to 5,627.88, 8,443.44 and 2,854.44 is: 4,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.88 : 8,443.44 = 2,854.44 : x
  2. Step 2: Convert to fraction form
    5,627.88/8,443.44 = 2,854.44/x
  3. Step 3: Cross multiply
    5,627.88x = 8,443.44 × 2,854.44
  4. Step 4: Simplify right side
    5,627.88x = 24,101,292.87
  5. Step 5: Solve for x
    x = 24,101,292.87/5,627.88
  6. Step 6: Final answer
    x = 4,282.48

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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.