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Finding the Fourth Proportional to 3,472.80, 5,209.20 and 1,741.02

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Solution

The fourth proportional to 3,472.80, 5,209.20 and 1,741.02 is: 2,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.80 : 5,209.20 = 1,741.02 : x
  2. Step 2: Convert to fraction form
    3,472.80/5,209.20 = 1,741.02/x
  3. Step 3: Cross multiply
    3,472.80x = 5,209.20 × 1,741.02
  4. Step 4: Simplify right side
    3,472.80x = 9,069,321.38
  5. Step 5: Solve for x
    x = 9,069,321.38/3,472.80
  6. Step 6: Final answer
    x = 2,611.53

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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.