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Finding the Fourth Proportional to 3,704.54, 5,555.40 and 1,452.80

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Solution

The fourth proportional to 3,704.54, 5,555.40 and 1,452.80 is: 2,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.54 : 5,555.40 = 1,452.80 : x
  2. Step 2: Convert to fraction form
    3,704.54/5,555.40 = 1,452.80/x
  3. Step 3: Cross multiply
    3,704.54x = 5,555.40 × 1,452.80
  4. Step 4: Simplify right side
    3,704.54x = 8,070,885.12
  5. Step 5: Solve for x
    x = 8,070,885.12/3,704.54
  6. Step 6: Final answer
    x = 2,178.65

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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.