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Finding the Fourth Proportional to 51,251.04, 70,726.32 and 28,894.88

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Solution

The fourth proportional to 51,251.04, 70,726.32 and 28,894.88 is: 39,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,251.04 : 70,726.32 = 28,894.88 : x
  2. Step 2: Convert to fraction form
    51,251.04/70,726.32 = 28,894.88/x
  3. Step 3: Cross multiply
    51,251.04x = 70,726.32 × 28,894.88
  4. Step 4: Simplify right side
    51,251.04x = 2,043,628,529.24
  5. Step 5: Solve for x
    x = 2,043,628,529.24/51,251.04
  6. Step 6: Final answer
    x = 39,874.87

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