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Finding the Fourth Proportional to 5,459.99, 8,189.19 and 2,497.55

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Solution

The fourth proportional to 5,459.99, 8,189.19 and 2,497.55 is: 3,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.99 : 8,189.19 = 2,497.55 : x
  2. Step 2: Convert to fraction form
    5,459.99/8,189.19 = 2,497.55/x
  3. Step 3: Cross multiply
    5,459.99x = 8,189.19 × 2,497.55
  4. Step 4: Simplify right side
    5,459.99x = 20,452,870.54
  5. Step 5: Solve for x
    x = 20,452,870.54/5,459.99
  6. Step 6: Final answer
    x = 3,745.96

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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.