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Finding the Fourth Proportional to 8,174.68, 12,250.50 and 3,555.16

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Solution

The fourth proportional to 8,174.68, 12,250.50 and 3,555.16 is: 5,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.68 : 12,250.50 = 3,555.16 : x
  2. Step 2: Convert to fraction form
    8,174.68/12,250.50 = 3,555.16/x
  3. Step 3: Cross multiply
    8,174.68x = 12,250.50 × 3,555.16
  4. Step 4: Simplify right side
    8,174.68x = 43,552,487.58
  5. Step 5: Solve for x
    x = 43,552,487.58/8,174.68
  6. Step 6: Final answer
    x = 5,327.73

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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.