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Finding the Fourth Proportional to 29,263.86, 40,384.26 and 15,835.20

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Solution

The fourth proportional to 29,263.86, 40,384.26 and 15,835.20 is: 21,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,263.86 : 40,384.26 = 15,835.20 : x
  2. Step 2: Convert to fraction form
    29,263.86/40,384.26 = 15,835.20/x
  3. Step 3: Cross multiply
    29,263.86x = 40,384.26 × 15,835.20
  4. Step 4: Simplify right side
    29,263.86x = 639,492,833.95
  5. Step 5: Solve for x
    x = 639,492,833.95/29,263.86
  6. Step 6: Final answer
    x = 21,852.65

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