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Finding the Fourth Proportional to 25,324.71, 37,991.39 and 7,794.15

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Solution

The fourth proportional to 25,324.71, 37,991.39 and 7,794.15 is: 11,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,324.71 : 37,991.39 = 7,794.15 : x
  2. Step 2: Convert to fraction form
    25,324.71/37,991.39 = 7,794.15/x
  3. Step 3: Cross multiply
    25,324.71x = 37,991.39 × 7,794.15
  4. Step 4: Simplify right side
    25,324.71x = 296,110,553.40
  5. Step 5: Solve for x
    x = 296,110,553.40/25,324.71
  6. Step 6: Final answer
    x = 11,692.55

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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.