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Finding the Fourth Proportional to 24,411.92, 36,420.68 and 20,740.88

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Solution

The fourth proportional to 24,411.92, 36,420.68 and 20,740.88 is: 30,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,411.92 : 36,420.68 = 20,740.88 : x
  2. Step 2: Convert to fraction form
    24,411.92/36,420.68 = 20,740.88/x
  3. Step 3: Cross multiply
    24,411.92x = 36,420.68 × 20,740.88
  4. Step 4: Simplify right side
    24,411.92x = 755,396,953.40
  5. Step 5: Solve for x
    x = 755,396,953.40/24,411.92
  6. Step 6: Final answer
    x = 30,943.77

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