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Finding the Fourth Proportional to 5,711.98, 8,567.92 and 1,763.24

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Solution

The fourth proportional to 5,711.98, 8,567.92 and 1,763.24 is: 2,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.98 : 8,567.92 = 1,763.24 : x
  2. Step 2: Convert to fraction form
    5,711.98/8,567.92 = 1,763.24/x
  3. Step 3: Cross multiply
    5,711.98x = 8,567.92 × 1,763.24
  4. Step 4: Simplify right side
    5,711.98x = 15,107,299.26
  5. Step 5: Solve for x
    x = 15,107,299.26/5,711.98
  6. Step 6: Final answer
    x = 2,644.84

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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.