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Finding the Fourth Proportional to 5,755.88, 8,627.88 and 3,153.32

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Solution

The fourth proportional to 5,755.88, 8,627.88 and 3,153.32 is: 4,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.88 : 8,627.88 = 3,153.32 : x
  2. Step 2: Convert to fraction form
    5,755.88/8,627.88 = 3,153.32/x
  3. Step 3: Cross multiply
    5,755.88x = 8,627.88 × 3,153.32
  4. Step 4: Simplify right side
    5,755.88x = 27,206,466.56
  5. Step 5: Solve for x
    x = 27,206,466.56/5,755.88
  6. Step 6: Final answer
    x = 4,726.73

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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.