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Finding the Fourth Proportional to 8,693.68, 13,042.41 and 2,850.07

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Solution

The fourth proportional to 8,693.68, 13,042.41 and 2,850.07 is: 4,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.68 : 13,042.41 = 2,850.07 : x
  2. Step 2: Convert to fraction form
    8,693.68/13,042.41 = 2,850.07/x
  3. Step 3: Cross multiply
    8,693.68x = 13,042.41 × 2,850.07
  4. Step 4: Simplify right side
    8,693.68x = 37,171,781.47
  5. Step 5: Solve for x
    x = 37,171,781.47/8,693.68
  6. Step 6: Final answer
    x = 4,275.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.