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Finding the Fourth Proportional to 23,555.75, 32,506.52 and 12,945.15

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Solution

The fourth proportional to 23,555.75, 32,506.52 and 12,945.15 is: 17,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,555.75 : 32,506.52 = 12,945.15 : x
  2. Step 2: Convert to fraction form
    23,555.75/32,506.52 = 12,945.15/x
  3. Step 3: Cross multiply
    23,555.75x = 32,506.52 × 12,945.15
  4. Step 4: Simplify right side
    23,555.75x = 420,801,712.65
  5. Step 5: Solve for x
    x = 420,801,712.65/23,555.75
  6. Step 6: Final answer
    x = 17,864.08

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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.