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Finding the Fourth Proportional to 25,487.73, 38,231.73 and 7,956.09

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Solution

The fourth proportional to 25,487.73, 38,231.73 and 7,956.09 is: 11,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.73 : 38,231.73 = 7,956.09 : x
  2. Step 2: Convert to fraction form
    25,487.73/38,231.73 = 7,956.09/x
  3. Step 3: Cross multiply
    25,487.73x = 38,231.73 × 7,956.09
  4. Step 4: Simplify right side
    25,487.73x = 304,175,084.74
  5. Step 5: Solve for x
    x = 304,175,084.74/25,487.73
  6. Step 6: Final answer
    x = 11,934.18

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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.