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Finding the Fourth Proportional to 46,640.52, 69,916.69 and 18,577.90

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Solution

The fourth proportional to 46,640.52, 69,916.69 and 18,577.90 is: 27,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,640.52 : 69,916.69 = 18,577.90 : x
  2. Step 2: Convert to fraction form
    46,640.52/69,916.69 = 18,577.90/x
  3. Step 3: Cross multiply
    46,640.52x = 69,916.69 × 18,577.90
  4. Step 4: Simplify right side
    46,640.52x = 1,298,905,275.15
  5. Step 5: Solve for x
    x = 1,298,905,275.15/46,640.52
  6. Step 6: Final answer
    x = 27,849.29

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