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Finding the Fourth Proportional to 67,275.11, 100,912.67 and 27,788.82

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Solution

The fourth proportional to 67,275.11, 100,912.67 and 27,788.82 is: 41,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,275.11 : 100,912.67 = 27,788.82 : x
  2. Step 2: Convert to fraction form
    67,275.11/100,912.67 = 27,788.82/x
  3. Step 3: Cross multiply
    67,275.11x = 100,912.67 × 27,788.82
  4. Step 4: Simplify right side
    67,275.11x = 2,804,243,883.41
  5. Step 5: Solve for x
    x = 2,804,243,883.41/67,275.11
  6. Step 6: Final answer
    x = 41,683.23

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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.