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Finding the Fourth Proportional to 23,281.58, 32,129.52 and 13,851.56

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Solution

The fourth proportional to 23,281.58, 32,129.52 and 13,851.56 is: 19,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.58 : 32,129.52 = 13,851.56 : x
  2. Step 2: Convert to fraction form
    23,281.58/32,129.52 = 13,851.56/x
  3. Step 3: Cross multiply
    23,281.58x = 32,129.52 × 13,851.56
  4. Step 4: Simplify right side
    23,281.58x = 445,043,974.05
  5. Step 5: Solve for x
    x = 445,043,974.05/23,281.58
  6. Step 6: Final answer
    x = 19,115.71

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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.