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Finding the Fourth Proportional to 24,086.64, 33,165.72 and 21,085.68

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Solution

The fourth proportional to 24,086.64, 33,165.72 and 21,085.68 is: 29,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,086.64 : 33,165.72 = 21,085.68 : x
  2. Step 2: Convert to fraction form
    24,086.64/33,165.72 = 21,085.68/x
  3. Step 3: Cross multiply
    24,086.64x = 33,165.72 × 21,085.68
  4. Step 4: Simplify right side
    24,086.64x = 699,321,758.89
  5. Step 5: Solve for x
    x = 699,321,758.89/24,086.64
  6. Step 6: Final answer
    x = 29,033.60

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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.