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Finding the Fourth Proportional to 22,111.56, 30,514.50 and 13,610.52

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Solution

The fourth proportional to 22,111.56, 30,514.50 and 13,610.52 is: 18,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,111.56 : 30,514.50 = 13,610.52 : x
  2. Step 2: Convert to fraction form
    22,111.56/30,514.50 = 13,610.52/x
  3. Step 3: Cross multiply
    22,111.56x = 30,514.50 × 13,610.52
  4. Step 4: Simplify right side
    22,111.56x = 415,318,212.54
  5. Step 5: Solve for x
    x = 415,318,212.54/22,111.56
  6. Step 6: Final answer
    x = 18,782.85

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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.