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Finding the Fourth Proportional to 48,917.71, 67,518.53 and 27,709.48

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Solution

The fourth proportional to 48,917.71, 67,518.53 and 27,709.48 is: 38,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,917.71 : 67,518.53 = 27,709.48 : x
  2. Step 2: Convert to fraction form
    48,917.71/67,518.53 = 27,709.48/x
  3. Step 3: Cross multiply
    48,917.71x = 67,518.53 × 27,709.48
  4. Step 4: Simplify right side
    48,917.71x = 1,870,903,356.66
  5. Step 5: Solve for x
    x = 1,870,903,356.66/48,917.71
  6. Step 6: Final answer
    x = 38,245.93

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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.