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Finding the Fourth Proportional to 23,481.97, 32,405.57 and 12,870.97

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Solution

The fourth proportional to 23,481.97, 32,405.57 and 12,870.97 is: 17,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,481.97 : 32,405.57 = 12,870.97 : x
  2. Step 2: Convert to fraction form
    23,481.97/32,405.57 = 12,870.97/x
  3. Step 3: Cross multiply
    23,481.97x = 32,405.57 × 12,870.97
  4. Step 4: Simplify right side
    23,481.97x = 417,091,022.20
  5. Step 5: Solve for x
    x = 417,091,022.20/23,481.97
  6. Step 6: Final answer
    x = 17,762.18

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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.