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Finding the Fourth Proportional to 36,111.32, 49,836.02 and 20,194.82

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Solution

The fourth proportional to 36,111.32, 49,836.02 and 20,194.82 is: 27,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.32 : 49,836.02 = 20,194.82 : x
  2. Step 2: Convert to fraction form
    36,111.32/49,836.02 = 20,194.82/x
  3. Step 3: Cross multiply
    36,111.32x = 49,836.02 × 20,194.82
  4. Step 4: Simplify right side
    36,111.32x = 1,006,429,103.26
  5. Step 5: Solve for x
    x = 1,006,429,103.26/36,111.32
  6. Step 6: Final answer
    x = 27,870.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.