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Finding the Fourth Proportional to 40,977.76, 61,427.76 and 14,668.96

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Solution

The fourth proportional to 40,977.76, 61,427.76 and 14,668.96 is: 21,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,977.76 : 61,427.76 = 14,668.96 : x
  2. Step 2: Convert to fraction form
    40,977.76/61,427.76 = 14,668.96/x
  3. Step 3: Cross multiply
    40,977.76x = 61,427.76 × 14,668.96
  4. Step 4: Simplify right side
    40,977.76x = 901,081,354.33
  5. Step 5: Solve for x
    x = 901,081,354.33/40,977.76
  6. Step 6: Final answer
    x = 21,989.52

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