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Finding the Fourth Proportional to 10,569.62, 15,857.06 and 3,174.21

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Solution

The fourth proportional to 10,569.62, 15,857.06 and 3,174.21 is: 4,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.62 : 15,857.06 = 3,174.21 : x
  2. Step 2: Convert to fraction form
    10,569.62/15,857.06 = 3,174.21/x
  3. Step 3: Cross multiply
    10,569.62x = 15,857.06 × 3,174.21
  4. Step 4: Simplify right side
    10,569.62x = 50,333,622.55
  5. Step 5: Solve for x
    x = 50,333,622.55/10,569.62
  6. Step 6: Final answer
    x = 4,762.11

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