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Finding the Fourth Proportional to 3,559.62, 5,338.81 and 1,367.22

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Solution

The fourth proportional to 3,559.62, 5,338.81 and 1,367.22 is: 2,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.62 : 5,338.81 = 1,367.22 : x
  2. Step 2: Convert to fraction form
    3,559.62/5,338.81 = 1,367.22/x
  3. Step 3: Cross multiply
    3,559.62x = 5,338.81 × 1,367.22
  4. Step 4: Simplify right side
    3,559.62x = 7,299,327.81
  5. Step 5: Solve for x
    x = 7,299,327.81/3,559.62
  6. Step 6: Final answer
    x = 2,050.59

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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.