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Finding the Fourth Proportional to 25,795.67, 38,694.71 and 8,265.65

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Solution

The fourth proportional to 25,795.67, 38,694.71 and 8,265.65 is: 12,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.67 : 38,694.71 = 8,265.65 : x
  2. Step 2: Convert to fraction form
    25,795.67/38,694.71 = 8,265.65/x
  3. Step 3: Cross multiply
    25,795.67x = 38,694.71 × 8,265.65
  4. Step 4: Simplify right side
    25,795.67x = 319,836,756.90
  5. Step 5: Solve for x
    x = 319,836,756.90/25,795.67
  6. Step 6: Final answer
    x = 12,398.86

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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.