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Finding the Fourth Proportional to 7,217.48, 9,951.18 and 5,963.60

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Solution

The fourth proportional to 7,217.48, 9,951.18 and 5,963.60 is: 8,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.48 : 9,951.18 = 5,963.60 : x
  2. Step 2: Convert to fraction form
    7,217.48/9,951.18 = 5,963.60/x
  3. Step 3: Cross multiply
    7,217.48x = 9,951.18 × 5,963.60
  4. Step 4: Simplify right side
    7,217.48x = 59,344,857.05
  5. Step 5: Solve for x
    x = 59,344,857.05/7,217.48
  6. Step 6: Final answer
    x = 8,222.38

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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.