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Finding the Fourth Proportional to 2,704.59, 3,742.20 and 2,331.18

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Solution

The fourth proportional to 2,704.59, 3,742.20 and 2,331.18 is: 3,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.59 : 3,742.20 = 2,331.18 : x
  2. Step 2: Convert to fraction form
    2,704.59/3,742.20 = 2,331.18/x
  3. Step 3: Cross multiply
    2,704.59x = 3,742.20 × 2,331.18
  4. Step 4: Simplify right side
    2,704.59x = 8,723,741.80
  5. Step 5: Solve for x
    x = 8,723,741.80/2,704.59
  6. Step 6: Final answer
    x = 3,225.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.