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Finding the Fourth Proportional to 5,757.71, 8,622.38 and 3,671.55

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Solution

The fourth proportional to 5,757.71, 8,622.38 and 3,671.55 is: 5,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.71 : 8,622.38 = 3,671.55 : x
  2. Step 2: Convert to fraction form
    5,757.71/8,622.38 = 3,671.55/x
  3. Step 3: Cross multiply
    5,757.71x = 8,622.38 × 3,671.55
  4. Step 4: Simplify right side
    5,757.71x = 31,657,508.47
  5. Step 5: Solve for x
    x = 31,657,508.47/5,757.71
  6. Step 6: Final answer
    x = 5,498.29

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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.