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Finding the Fourth Proportional to 5,703.70, 8,555.55 and 2,631.70

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Solution

The fourth proportional to 5,703.70, 8,555.55 and 2,631.70 is: 3,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.70 : 8,555.55 = 2,631.70 : x
  2. Step 2: Convert to fraction form
    5,703.70/8,555.55 = 2,631.70/x
  3. Step 3: Cross multiply
    5,703.70x = 8,555.55 × 2,631.70
  4. Step 4: Simplify right side
    5,703.70x = 22,515,640.94
  5. Step 5: Solve for x
    x = 22,515,640.94/5,703.70
  6. Step 6: Final answer
    x = 3,947.55

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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.