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Finding the Fourth Proportional to 3,532.75, 5,299.13 and 935.70

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Solution

The fourth proportional to 3,532.75, 5,299.13 and 935.70 is: 1,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.75 : 5,299.13 = 935.70 : x
  2. Step 2: Convert to fraction form
    3,532.75/5,299.13 = 935.70/x
  3. Step 3: Cross multiply
    3,532.75x = 5,299.13 × 935.70
  4. Step 4: Simplify right side
    3,532.75x = 4,958,395.94
  5. Step 5: Solve for x
    x = 4,958,395.94/3,532.75
  6. Step 6: Final answer
    x = 1,403.55

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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.