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Finding the Fourth Proportional to 22,100.71, 33,146.74 and 8,246.95

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Solution

The fourth proportional to 22,100.71, 33,146.74 and 8,246.95 is: 12,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,100.71 : 33,146.74 = 8,246.95 : x
  2. Step 2: Convert to fraction form
    22,100.71/33,146.74 = 8,246.95/x
  3. Step 3: Cross multiply
    22,100.71x = 33,146.74 × 8,246.95
  4. Step 4: Simplify right side
    22,100.71x = 273,359,507.44
  5. Step 5: Solve for x
    x = 273,359,507.44/22,100.71
  6. Step 6: Final answer
    x = 12,368.81

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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.