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Finding the Fourth Proportional to 5,261.44, 7,887.04 and 4,397.44

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Solution

The fourth proportional to 5,261.44, 7,887.04 and 4,397.44 is: 6,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.44 : 7,887.04 = 4,397.44 : x
  2. Step 2: Convert to fraction form
    5,261.44/7,887.04 = 4,397.44/x
  3. Step 3: Cross multiply
    5,261.44x = 7,887.04 × 4,397.44
  4. Step 4: Simplify right side
    5,261.44x = 34,682,785.18
  5. Step 5: Solve for x
    x = 34,682,785.18/5,261.44
  6. Step 6: Final answer
    x = 6,591.88

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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.