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Finding the Fourth Proportional to 61,587.80, 92,391.38 and 20,025.08

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Solution

The fourth proportional to 61,587.80, 92,391.38 and 20,025.08 is: 30,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,587.80 : 92,391.38 = 20,025.08 : x
  2. Step 2: Convert to fraction form
    61,587.80/92,391.38 = 20,025.08/x
  3. Step 3: Cross multiply
    61,587.80x = 92,391.38 × 20,025.08
  4. Step 4: Simplify right side
    61,587.80x = 1,850,144,775.81
  5. Step 5: Solve for x
    x = 1,850,144,775.81/61,587.80
  6. Step 6: Final answer
    x = 30,040.77

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