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Finding the Fourth Proportional to 71,465.43, 107,198.15 and 24,692.79

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Solution

The fourth proportional to 71,465.43, 107,198.15 and 24,692.79 is: 37,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,465.43 : 107,198.15 = 24,692.79 : x
  2. Step 2: Convert to fraction form
    71,465.43/107,198.15 = 24,692.79/x
  3. Step 3: Cross multiply
    71,465.43x = 107,198.15 × 24,692.79
  4. Step 4: Simplify right side
    71,465.43x = 2,647,021,282.87
  5. Step 5: Solve for x
    x = 2,647,021,282.87/71,465.43
  6. Step 6: Final answer
    x = 37,039.19

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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.