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Finding the Fourth Proportional to 9,039.62, 13,559.44 and 5,939.20

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Solution

The fourth proportional to 9,039.62, 13,559.44 and 5,939.20 is: 8,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.62 : 13,559.44 = 5,939.20 : x
  2. Step 2: Convert to fraction form
    9,039.62/13,559.44 = 5,939.20/x
  3. Step 3: Cross multiply
    9,039.62x = 13,559.44 × 5,939.20
  4. Step 4: Simplify right side
    9,039.62x = 80,532,226.05
  5. Step 5: Solve for x
    x = 80,532,226.05/9,039.62
  6. Step 6: Final answer
    x = 8,908.81

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Similar ratio
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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.