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Finding the Fourth Proportional to 5,459.68, 8,178.02 and 2,500.62

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Solution

The fourth proportional to 5,459.68, 8,178.02 and 2,500.62 is: 3,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.68 : 8,178.02 = 2,500.62 : x
  2. Step 2: Convert to fraction form
    5,459.68/8,178.02 = 2,500.62/x
  3. Step 3: Cross multiply
    5,459.68x = 8,178.02 × 2,500.62
  4. Step 4: Simplify right side
    5,459.68x = 20,450,120.37
  5. Step 5: Solve for x
    x = 20,450,120.37/5,459.68
  6. Step 6: Final answer
    x = 3,745.66

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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.