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Finding the Fourth Proportional to 56,630.89, 84,945.79 and 15,077.89

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Solution

The fourth proportional to 56,630.89, 84,945.79 and 15,077.89 is: 22,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,630.89 : 84,945.79 = 15,077.89 : x
  2. Step 2: Convert to fraction form
    56,630.89/84,945.79 = 15,077.89/x
  3. Step 3: Cross multiply
    56,630.89x = 84,945.79 × 15,077.89
  4. Step 4: Simplify right side
    56,630.89x = 1,280,803,277.58
  5. Step 5: Solve for x
    x = 1,280,803,277.58/56,630.89
  6. Step 6: Final answer
    x = 22,616.69

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