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Finding the Fourth Proportional to 23,881.40, 35,817.78 and 8,084.78

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Solution

The fourth proportional to 23,881.40, 35,817.78 and 8,084.78 is: 12,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,881.40 : 35,817.78 = 8,084.78 : x
  2. Step 2: Convert to fraction form
    23,881.40/35,817.78 = 8,084.78/x
  3. Step 3: Cross multiply
    23,881.40x = 35,817.78 × 8,084.78
  4. Step 4: Simplify right side
    23,881.40x = 289,578,871.39
  5. Step 5: Solve for x
    x = 289,578,871.39/23,881.40
  6. Step 6: Final answer
    x = 12,125.71

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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.