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Finding the Fourth Proportional to 7,616.25, 11,425.82 and 3,512.25

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Solution

The fourth proportional to 7,616.25, 11,425.82 and 3,512.25 is: 5,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.25 : 11,425.82 = 3,512.25 : x
  2. Step 2: Convert to fraction form
    7,616.25/11,425.82 = 3,512.25/x
  3. Step 3: Cross multiply
    7,616.25x = 11,425.82 × 3,512.25
  4. Step 4: Simplify right side
    7,616.25x = 40,130,318.73
  5. Step 5: Solve for x
    x = 40,130,318.73/7,616.25
  6. Step 6: Final answer
    x = 5,269.04

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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.