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Finding the Fourth Proportional to 2,399.68, 3,600.08 and 1,167.68

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Solution

The fourth proportional to 2,399.68, 3,600.08 and 1,167.68 is: 1,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.68 : 3,600.08 = 1,167.68 : x
  2. Step 2: Convert to fraction form
    2,399.68/3,600.08 = 1,167.68/x
  3. Step 3: Cross multiply
    2,399.68x = 3,600.08 × 1,167.68
  4. Step 4: Simplify right side
    2,399.68x = 4,203,741.41
  5. Step 5: Solve for x
    x = 4,203,741.41/2,399.68
  6. Step 6: Final answer
    x = 1,751.79

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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.