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Finding the Fourth Proportional to 8,532.90, 12,797.19 and 3,338.82

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Solution

The fourth proportional to 8,532.90, 12,797.19 and 3,338.82 is: 5,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.90 : 12,797.19 = 3,338.82 : x
  2. Step 2: Convert to fraction form
    8,532.90/12,797.19 = 3,338.82/x
  3. Step 3: Cross multiply
    8,532.90x = 12,797.19 × 3,338.82
  4. Step 4: Simplify right side
    8,532.90x = 42,727,513.92
  5. Step 5: Solve for x
    x = 42,727,513.92/8,532.90
  6. Step 6: Final answer
    x = 5,007.38

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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.