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Finding the Fourth Proportional to 3,304.87, 4,957.31 and 3,086.17

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Solution

The fourth proportional to 3,304.87, 4,957.31 and 3,086.17 is: 4,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.87 : 4,957.31 = 3,086.17 : x
  2. Step 2: Convert to fraction form
    3,304.87/4,957.31 = 3,086.17/x
  3. Step 3: Cross multiply
    3,304.87x = 4,957.31 × 3,086.17
  4. Step 4: Simplify right side
    3,304.87x = 15,299,101.40
  5. Step 5: Solve for x
    x = 15,299,101.40/3,304.87
  6. Step 6: Final answer
    x = 4,629.26

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Double scale
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Similar ratio
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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.