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Finding the Fourth Proportional to 25,900.14, 38,836.82 and 8,367.68

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Solution

The fourth proportional to 25,900.14, 38,836.82 and 8,367.68 is: 12,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900.14 : 38,836.82 = 8,367.68 : x
  2. Step 2: Convert to fraction form
    25,900.14/38,836.82 = 8,367.68/x
  3. Step 3: Cross multiply
    25,900.14x = 38,836.82 × 8,367.68
  4. Step 4: Simplify right side
    25,900.14x = 324,974,081.98
  5. Step 5: Solve for x
    x = 324,974,081.98/25,900.14
  6. Step 6: Final answer
    x = 12,547.19

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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.