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Finding the Fourth Proportional to 22,493.27, 30,815.64 and 21,652.18

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Solution

The fourth proportional to 22,493.27, 30,815.64 and 21,652.18 is: 29,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493.27 : 30,815.64 = 21,652.18 : x
  2. Step 2: Convert to fraction form
    22,493.27/30,815.64 = 21,652.18/x
  3. Step 3: Cross multiply
    22,493.27x = 30,815.64 × 21,652.18
  4. Step 4: Simplify right side
    22,493.27x = 667,225,707.06
  5. Step 5: Solve for x
    x = 667,225,707.06/22,493.27
  6. Step 6: Final answer
    x = 29,663.35

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.