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Finding the Fourth Proportional to 5,672.88, 8,511.48 and 2,552.76

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Solution

The fourth proportional to 5,672.88, 8,511.48 and 2,552.76 is: 3,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.88 : 8,511.48 = 2,552.76 : x
  2. Step 2: Convert to fraction form
    5,672.88/8,511.48 = 2,552.76/x
  3. Step 3: Cross multiply
    5,672.88x = 8,511.48 × 2,552.76
  4. Step 4: Simplify right side
    5,672.88x = 21,727,765.68
  5. Step 5: Solve for x
    x = 21,727,765.68/5,672.88
  6. Step 6: Final answer
    x = 3,830.11

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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.