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Finding the Fourth Proportional to 22,569.60, 33,837.12 and 20,254.08

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Solution

The fourth proportional to 22,569.60, 33,837.12 and 20,254.08 is: 30,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569.60 : 33,837.12 = 20,254.08 : x
  2. Step 2: Convert to fraction form
    22,569.60/33,837.12 = 20,254.08/x
  3. Step 3: Cross multiply
    22,569.60x = 33,837.12 × 20,254.08
  4. Step 4: Simplify right side
    22,569.60x = 685,339,735.45
  5. Step 5: Solve for x
    x = 685,339,735.45/22,569.60
  6. Step 6: Final answer
    x = 30,365.61

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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.