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Finding the Fourth Proportional to 63,700.40, 87,906.12 and 35,407.76

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Solution

The fourth proportional to 63,700.40, 87,906.12 and 35,407.76 is: 48,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,700.40 : 87,906.12 = 35,407.76 : x
  2. Step 2: Convert to fraction form
    63,700.40/87,906.12 = 35,407.76/x
  3. Step 3: Cross multiply
    63,700.40x = 87,906.12 × 35,407.76
  4. Step 4: Simplify right side
    63,700.40x = 3,112,558,799.49
  5. Step 5: Solve for x
    x = 3,112,558,799.49/63,700.40
  6. Step 6: Final answer
    x = 48,862.47

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