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Finding the Fourth Proportional to 61,378.06, 84,691.80 and 34,518.96

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Solution

The fourth proportional to 61,378.06, 84,691.80 and 34,518.96 is: 47,630.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,378.06 : 84,691.80 = 34,518.96 : x
  2. Step 2: Convert to fraction form
    61,378.06/84,691.80 = 34,518.96/x
  3. Step 3: Cross multiply
    61,378.06x = 84,691.80 × 34,518.96
  4. Step 4: Simplify right side
    61,378.06x = 2,923,472,856.53
  5. Step 5: Solve for x
    x = 2,923,472,856.53/61,378.06
  6. Step 6: Final answer
    x = 47,630.58

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