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Finding the Fourth Proportional to 39,757.70, 59,636.55 and 31,009.70

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Solution

The fourth proportional to 39,757.70, 59,636.55 and 31,009.70 is: 46,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757.70 : 59,636.55 = 31,009.70 : x
  2. Step 2: Convert to fraction form
    39,757.70/59,636.55 = 31,009.70/x
  3. Step 3: Cross multiply
    39,757.70x = 59,636.55 × 31,009.70
  4. Step 4: Simplify right side
    39,757.70x = 1,849,311,524.54
  5. Step 5: Solve for x
    x = 1,849,311,524.54/39,757.70
  6. Step 6: Final answer
    x = 46,514.55

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