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Finding the Fourth Proportional to 36,071.92, 54,113.70 and 11,111.97

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Solution

The fourth proportional to 36,071.92, 54,113.70 and 11,111.97 is: 16,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.92 : 54,113.70 = 11,111.97 : x
  2. Step 2: Convert to fraction form
    36,071.92/54,113.70 = 11,111.97/x
  3. Step 3: Cross multiply
    36,071.92x = 54,113.70 × 11,111.97
  4. Step 4: Simplify right side
    36,071.92x = 601,309,810.99
  5. Step 5: Solve for x
    x = 601,309,810.99/36,071.92
  6. Step 6: Final answer
    x = 16,669.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.