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Finding the Fourth Proportional to 25,793.82, 38,696.40 and 8,265.42

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Solution

The fourth proportional to 25,793.82, 38,696.40 and 8,265.42 is: 12,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,793.82 : 38,696.40 = 8,265.42 : x
  2. Step 2: Convert to fraction form
    25,793.82/38,696.40 = 8,265.42/x
  3. Step 3: Cross multiply
    25,793.82x = 38,696.40 × 8,265.42
  4. Step 4: Simplify right side
    25,793.82x = 319,841,998.49
  5. Step 5: Solve for x
    x = 319,841,998.49/25,793.82
  6. Step 6: Final answer
    x = 12,399.95

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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.