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Finding the Fourth Proportional to 37,722.18, 52,056.40 and 20,494.40

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Solution

The fourth proportional to 37,722.18, 52,056.40 and 20,494.40 is: 28,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,722.18 : 52,056.40 = 20,494.40 : x
  2. Step 2: Convert to fraction form
    37,722.18/52,056.40 = 20,494.40/x
  3. Step 3: Cross multiply
    37,722.18x = 52,056.40 × 20,494.40
  4. Step 4: Simplify right side
    37,722.18x = 1,066,864,684.16
  5. Step 5: Solve for x
    x = 1,066,864,684.16/37,722.18
  6. Step 6: Final answer
    x = 28,282.16

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