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Finding the Fourth Proportional to 8,049.60, 12,050.10 and 7,174.80

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Solution

The fourth proportional to 8,049.60, 12,050.10 and 7,174.80 is: 10,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.60 : 12,050.10 = 7,174.80 : x
  2. Step 2: Convert to fraction form
    8,049.60/12,050.10 = 7,174.80/x
  3. Step 3: Cross multiply
    8,049.60x = 12,050.10 × 7,174.80
  4. Step 4: Simplify right side
    8,049.60x = 86,457,057.48
  5. Step 5: Solve for x
    x = 86,457,057.48/8,049.60
  6. Step 6: Final answer
    x = 10,740.54

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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.