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Finding the Fourth Proportional to 35,344.20, 48,772.62 and 20,235

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Solution

The fourth proportional to 35,344.20, 48,772.62 and 20,235 is: 27,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,344.20 : 48,772.62 = 20,235 : x
  2. Step 2: Convert to fraction form
    35,344.20/48,772.62 = 20,235/x
  3. Step 3: Cross multiply
    35,344.20x = 48,772.62 × 20,235
  4. Step 4: Simplify right side
    35,344.20x = 986,913,965.70
  5. Step 5: Solve for x
    x = 986,913,965.70/35,344.20
  6. Step 6: Final answer
    x = 27,922.94

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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.