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Finding the Fourth Proportional to 51,806.93, 77,607.52 and 39,919.46

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Solution

The fourth proportional to 51,806.93, 77,607.52 and 39,919.46 is: 59,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.93 : 77,607.52 = 39,919.46 : x
  2. Step 2: Convert to fraction form
    51,806.93/77,607.52 = 39,919.46/x
  3. Step 3: Cross multiply
    51,806.93x = 77,607.52 × 39,919.46
  4. Step 4: Simplify right side
    51,806.93x = 3,098,050,384.56
  5. Step 5: Solve for x
    x = 3,098,050,384.56/51,806.93
  6. Step 6: Final answer
    x = 59,799.92

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