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Finding the Fourth Proportional to 27,045.87, 40,568.82 and 17,693.74

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Solution

The fourth proportional to 27,045.87, 40,568.82 and 17,693.74 is: 26,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045.87 : 40,568.82 = 17,693.74 : x
  2. Step 2: Convert to fraction form
    27,045.87/40,568.82 = 17,693.74/x
  3. Step 3: Cross multiply
    27,045.87x = 40,568.82 × 17,693.74
  4. Step 4: Simplify right side
    27,045.87x = 717,814,137.55
  5. Step 5: Solve for x
    x = 717,814,137.55/27,045.87
  6. Step 6: Final answer
    x = 26,540.62

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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.