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Finding the Fourth Proportional to 5,770.74, 7,963.20 and 3,252.72

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Solution

The fourth proportional to 5,770.74, 7,963.20 and 3,252.72 is: 4,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770.74 : 7,963.20 = 3,252.72 : x
  2. Step 2: Convert to fraction form
    5,770.74/7,963.20 = 3,252.72/x
  3. Step 3: Cross multiply
    5,770.74x = 7,963.20 × 3,252.72
  4. Step 4: Simplify right side
    5,770.74x = 25,902,059.90
  5. Step 5: Solve for x
    x = 25,902,059.90/5,770.74
  6. Step 6: Final answer
    x = 4,488.52

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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.