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Finding the Fourth Proportional to 26,909.97, 40,364.62 and 9,379.74

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Solution

The fourth proportional to 26,909.97, 40,364.62 and 9,379.74 is: 14,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.97 : 40,364.62 = 9,379.74 : x
  2. Step 2: Convert to fraction form
    26,909.97/40,364.62 = 9,379.74/x
  3. Step 3: Cross multiply
    26,909.97x = 40,364.62 × 9,379.74
  4. Step 4: Simplify right side
    26,909.97x = 378,609,640.80
  5. Step 5: Solve for x
    x = 378,609,640.80/26,909.97
  6. Step 6: Final answer
    x = 14,069.49

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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.