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Finding the Fourth Proportional to 3,659.70, 5,454.76 and 3,452.12

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Solution

The fourth proportional to 3,659.70, 5,454.76 and 3,452.12 is: 5,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.70 : 5,454.76 = 3,452.12 : x
  2. Step 2: Convert to fraction form
    3,659.70/5,454.76 = 3,452.12/x
  3. Step 3: Cross multiply
    3,659.70x = 5,454.76 × 3,452.12
  4. Step 4: Simplify right side
    3,659.70x = 18,830,450.19
  5. Step 5: Solve for x
    x = 18,830,450.19/3,659.70
  6. Step 6: Final answer
    x = 5,145.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.