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Finding the Fourth Proportional to 5,757.92, 8,630.40 and 4,455.44

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Solution

The fourth proportional to 5,757.92, 8,630.40 and 4,455.44 is: 6,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.92 : 8,630.40 = 4,455.44 : x
  2. Step 2: Convert to fraction form
    5,757.92/8,630.40 = 4,455.44/x
  3. Step 3: Cross multiply
    5,757.92x = 8,630.40 × 4,455.44
  4. Step 4: Simplify right side
    5,757.92x = 38,452,229.38
  5. Step 5: Solve for x
    x = 38,452,229.38/5,757.92
  6. Step 6: Final answer
    x = 6,678.15

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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.