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Finding the Fourth Proportional to 6,605.73, 9,116.18 and 3,952.62

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Solution

The fourth proportional to 6,605.73, 9,116.18 and 3,952.62 is: 5,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.73 : 9,116.18 = 3,952.62 : x
  2. Step 2: Convert to fraction form
    6,605.73/9,116.18 = 3,952.62/x
  3. Step 3: Cross multiply
    6,605.73x = 9,116.18 × 3,952.62
  4. Step 4: Simplify right side
    6,605.73x = 36,032,795.39
  5. Step 5: Solve for x
    x = 36,032,795.39/6,605.73
  6. Step 6: Final answer
    x = 5,454.78

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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.