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Finding the Fourth Proportional to 8,400.33, 12,593.79 and 5,441.79

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Solution

The fourth proportional to 8,400.33, 12,593.79 and 5,441.79 is: 8,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.33 : 12,593.79 = 5,441.79 : x
  2. Step 2: Convert to fraction form
    8,400.33/12,593.79 = 5,441.79/x
  3. Step 3: Cross multiply
    8,400.33x = 12,593.79 × 5,441.79
  4. Step 4: Simplify right side
    8,400.33x = 68,532,760.48
  5. Step 5: Solve for x
    x = 68,532,760.48/8,400.33
  6. Step 6: Final answer
    x = 8,158.34

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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.