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Finding the Fourth Proportional to 4,343.01, 5,978.85 and 4,144.65

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Solution

The fourth proportional to 4,343.01, 5,978.85 and 4,144.65 is: 5,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.01 : 5,978.85 = 4,144.65 : x
  2. Step 2: Convert to fraction form
    4,343.01/5,978.85 = 4,144.65/x
  3. Step 3: Cross multiply
    4,343.01x = 5,978.85 × 4,144.65
  4. Step 4: Simplify right side
    4,343.01x = 24,780,240.65
  5. Step 5: Solve for x
    x = 24,780,240.65/4,343.01
  6. Step 6: Final answer
    x = 5,705.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.