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Finding the Fourth Proportional to 3,691.59, 5,527.62 and 3,045.21

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Solution

The fourth proportional to 3,691.59, 5,527.62 and 3,045.21 is: 4,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.59 : 5,527.62 = 3,045.21 : x
  2. Step 2: Convert to fraction form
    3,691.59/5,527.62 = 3,045.21/x
  3. Step 3: Cross multiply
    3,691.59x = 5,527.62 × 3,045.21
  4. Step 4: Simplify right side
    3,691.59x = 16,832,763.70
  5. Step 5: Solve for x
    x = 16,832,763.70/3,691.59
  6. Step 6: Final answer
    x = 4,559.76

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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.