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Finding the Fourth Proportional to 12,717.32, 17,550.94 and 7,053.84

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Solution

The fourth proportional to 12,717.32, 17,550.94 and 7,053.84 is: 9,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.32 : 17,550.94 = 7,053.84 : x
  2. Step 2: Convert to fraction form
    12,717.32/17,550.94 = 7,053.84/x
  3. Step 3: Cross multiply
    12,717.32x = 17,550.94 × 7,053.84
  4. Step 4: Simplify right side
    12,717.32x = 123,801,522.61
  5. Step 5: Solve for x
    x = 123,801,522.61/12,717.32
  6. Step 6: Final answer
    x = 9,734.88

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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.