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Finding the Fourth Proportional to 12,894.56, 17,793.56 and 7,588.65

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Solution

The fourth proportional to 12,894.56, 17,793.56 and 7,588.65 is: 10,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894.56 : 17,793.56 = 7,588.65 : x
  2. Step 2: Convert to fraction form
    12,894.56/17,793.56 = 7,588.65/x
  3. Step 3: Cross multiply
    12,894.56x = 17,793.56 × 7,588.65
  4. Step 4: Simplify right side
    12,894.56x = 135,029,061.15
  5. Step 5: Solve for x
    x = 135,029,061.15/12,894.56
  6. Step 6: Final answer
    x = 10,471.79

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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.