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Finding the Fourth Proportional to 52,641.56, 78,939.87 and 30,470.24

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Solution

The fourth proportional to 52,641.56, 78,939.87 and 30,470.24 is: 45,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,641.56 : 78,939.87 = 30,470.24 : x
  2. Step 2: Convert to fraction form
    52,641.56/78,939.87 = 30,470.24/x
  3. Step 3: Cross multiply
    52,641.56x = 78,939.87 × 30,470.24
  4. Step 4: Simplify right side
    52,641.56x = 2,405,316,867.56
  5. Step 5: Solve for x
    x = 2,405,316,867.56/52,641.56
  6. Step 6: Final answer
    x = 45,692.35

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