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Finding the Fourth Proportional to 8,110.71, 12,166.04 and 1,954.71

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Solution

The fourth proportional to 8,110.71, 12,166.04 and 1,954.71 is: 2,932.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.71 : 12,166.04 = 1,954.71 : x
  2. Step 2: Convert to fraction form
    8,110.71/12,166.04 = 1,954.71/x
  3. Step 3: Cross multiply
    8,110.71x = 12,166.04 × 1,954.71
  4. Step 4: Simplify right side
    8,110.71x = 23,781,084.94
  5. Step 5: Solve for x
    x = 23,781,084.94/8,110.71
  6. Step 6: Final answer
    x = 2,932.06

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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.