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Finding the Fourth Proportional to 48,592.43, 72,874.57 and 20,518.84

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Solution

The fourth proportional to 48,592.43, 72,874.57 and 20,518.84 is: 30,772.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,592.43 : 72,874.57 = 20,518.84 : x
  2. Step 2: Convert to fraction form
    48,592.43/72,874.57 = 20,518.84/x
  3. Step 3: Cross multiply
    48,592.43x = 72,874.57 × 20,518.84
  4. Step 4: Simplify right side
    48,592.43x = 1,495,301,641.90
  5. Step 5: Solve for x
    x = 1,495,301,641.90/48,592.43
  6. Step 6: Final answer
    x = 30,772.32

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