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Finding the Fourth Proportional to 40,770.65, 56,237.60 and 29,456.78

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Solution

The fourth proportional to 40,770.65, 56,237.60 and 29,456.78 is: 40,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,770.65 : 56,237.60 = 29,456.78 : x
  2. Step 2: Convert to fraction form
    40,770.65/56,237.60 = 29,456.78/x
  3. Step 3: Cross multiply
    40,770.65x = 56,237.60 × 29,456.78
  4. Step 4: Simplify right side
    40,770.65x = 1,656,578,182.46
  5. Step 5: Solve for x
    x = 1,656,578,182.46/40,770.65
  6. Step 6: Final answer
    x = 40,631.64

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