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Finding the Fourth Proportional to 5,497.76, 7,576.98 and 4,003.31

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Solution

The fourth proportional to 5,497.76, 7,576.98 and 4,003.31 is: 5,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.76 : 7,576.98 = 4,003.31 : x
  2. Step 2: Convert to fraction form
    5,497.76/7,576.98 = 4,003.31/x
  3. Step 3: Cross multiply
    5,497.76x = 7,576.98 × 4,003.31
  4. Step 4: Simplify right side
    5,497.76x = 30,332,961.92
  5. Step 5: Solve for x
    x = 30,332,961.92/5,497.76
  6. Step 6: Final answer
    x = 5,517.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.