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Finding the Fourth Proportional to 3,338.81, 5,008.49 and 873.62

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Solution

The fourth proportional to 3,338.81, 5,008.49 and 873.62 is: 1,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.81 : 5,008.49 = 873.62 : x
  2. Step 2: Convert to fraction form
    3,338.81/5,008.49 = 873.62/x
  3. Step 3: Cross multiply
    3,338.81x = 5,008.49 × 873.62
  4. Step 4: Simplify right side
    3,338.81x = 4,375,531.74
  5. Step 5: Solve for x
    x = 4,375,531.74/3,338.81
  6. Step 6: Final answer
    x = 1,310.51

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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.