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Finding the Fourth Proportional to 7,180.81, 10,771.22 and 2,250.83

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Solution

The fourth proportional to 7,180.81, 10,771.22 and 2,250.83 is: 3,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.81 : 10,771.22 = 2,250.83 : x
  2. Step 2: Convert to fraction form
    7,180.81/10,771.22 = 2,250.83/x
  3. Step 3: Cross multiply
    7,180.81x = 10,771.22 × 2,250.83
  4. Step 4: Simplify right side
    7,180.81x = 24,244,242.59
  5. Step 5: Solve for x
    x = 24,244,242.59/7,180.81
  6. Step 6: Final answer
    x = 3,376.25

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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.