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Finding the Fourth Proportional to 5,874.73, 8,794.78 and 5,145.73

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Solution

The fourth proportional to 5,874.73, 8,794.78 and 5,145.73 is: 7,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.73 : 8,794.78 = 5,145.73 : x
  2. Step 2: Convert to fraction form
    5,874.73/8,794.78 = 5,145.73/x
  3. Step 3: Cross multiply
    5,874.73x = 8,794.78 × 5,145.73
  4. Step 4: Simplify right side
    5,874.73x = 45,255,528.44
  5. Step 5: Solve for x
    x = 45,255,528.44/5,874.73
  6. Step 6: Final answer
    x = 7,703.43

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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.