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Finding the Fourth Proportional to 34,842.60, 48,086.70 and 19,736.28

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Solution

The fourth proportional to 34,842.60, 48,086.70 and 19,736.28 is: 27,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,842.60 : 48,086.70 = 19,736.28 : x
  2. Step 2: Convert to fraction form
    34,842.60/48,086.70 = 19,736.28/x
  3. Step 3: Cross multiply
    34,842.60x = 48,086.70 × 19,736.28
  4. Step 4: Simplify right side
    34,842.60x = 949,052,575.48
  5. Step 5: Solve for x
    x = 949,052,575.48/34,842.60
  6. Step 6: Final answer
    x = 27,238.28

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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.