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Finding the Fourth Proportional to 22,183.52, 30,613.02 and 12,111.93

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Solution

The fourth proportional to 22,183.52, 30,613.02 and 12,111.93 is: 16,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.52 : 30,613.02 = 12,111.93 : x
  2. Step 2: Convert to fraction form
    22,183.52/30,613.02 = 12,111.93/x
  3. Step 3: Cross multiply
    22,183.52x = 30,613.02 × 12,111.93
  4. Step 4: Simplify right side
    22,183.52x = 370,782,755.33
  5. Step 5: Solve for x
    x = 370,782,755.33/22,183.52
  6. Step 6: Final answer
    x = 16,714.34

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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.