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Finding the Fourth Proportional to 5,737.78, 8,609.19 and 2,451.70

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Solution

The fourth proportional to 5,737.78, 8,609.19 and 2,451.70 is: 3,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.78 : 8,609.19 = 2,451.70 : x
  2. Step 2: Convert to fraction form
    5,737.78/8,609.19 = 2,451.70/x
  3. Step 3: Cross multiply
    5,737.78x = 8,609.19 × 2,451.70
  4. Step 4: Simplify right side
    5,737.78x = 21,107,151.12
  5. Step 5: Solve for x
    x = 21,107,151.12/5,737.78
  6. Step 6: Final answer
    x = 3,678.63

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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.