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Finding the Fourth Proportional to 55,828.44, 77,040.72 and 34,609.68

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Solution

The fourth proportional to 55,828.44, 77,040.72 and 34,609.68 is: 47,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,828.44 : 77,040.72 = 34,609.68 : x
  2. Step 2: Convert to fraction form
    55,828.44/77,040.72 = 34,609.68/x
  3. Step 3: Cross multiply
    55,828.44x = 77,040.72 × 34,609.68
  4. Step 4: Simplify right side
    55,828.44x = 2,666,354,666.17
  5. Step 5: Solve for x
    x = 2,666,354,666.17/55,828.44
  6. Step 6: Final answer
    x = 47,759.79

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