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Finding the Fourth Proportional to 35,310.96, 48,732.12 and 19,398.60

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Solution

The fourth proportional to 35,310.96, 48,732.12 and 19,398.60 is: 26,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.96 : 48,732.12 = 19,398.60 : x
  2. Step 2: Convert to fraction form
    35,310.96/48,732.12 = 19,398.60/x
  3. Step 3: Cross multiply
    35,310.96x = 48,732.12 × 19,398.60
  4. Step 4: Simplify right side
    35,310.96x = 945,334,903.03
  5. Step 5: Solve for x
    x = 945,334,903.03/35,310.96
  6. Step 6: Final answer
    x = 26,771.71

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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.