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Finding the Fourth Proportional to 29,449.95, 40,627.76 and 19,886.78

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Solution

The fourth proportional to 29,449.95, 40,627.76 and 19,886.78 is: 27,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,449.95 : 40,627.76 = 19,886.78 : x
  2. Step 2: Convert to fraction form
    29,449.95/40,627.76 = 19,886.78/x
  3. Step 3: Cross multiply
    29,449.95x = 40,627.76 × 19,886.78
  4. Step 4: Simplify right side
    29,449.95x = 807,955,225.66
  5. Step 5: Solve for x
    x = 807,955,225.66/29,449.95
  6. Step 6: Final answer
    x = 27,434.86

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