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Finding the Fourth Proportional to 51,870.40, 71,587.50 and 33,969.88

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Solution

The fourth proportional to 51,870.40, 71,587.50 and 33,969.88 is: 46,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,870.40 : 71,587.50 = 33,969.88 : x
  2. Step 2: Convert to fraction form
    51,870.40/71,587.50 = 33,969.88/x
  3. Step 3: Cross multiply
    51,870.40x = 71,587.50 × 33,969.88
  4. Step 4: Simplify right side
    51,870.40x = 2,431,818,784.50
  5. Step 5: Solve for x
    x = 2,431,818,784.50/51,870.40
  6. Step 6: Final answer
    x = 46,882.59

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