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Finding the Fourth Proportional to 10,607.65, 15,916.94 and 4,372.27

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Solution

The fourth proportional to 10,607.65, 15,916.94 and 4,372.27 is: 6,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.65 : 15,916.94 = 4,372.27 : x
  2. Step 2: Convert to fraction form
    10,607.65/15,916.94 = 4,372.27/x
  3. Step 3: Cross multiply
    10,607.65x = 15,916.94 × 4,372.27
  4. Step 4: Simplify right side
    10,607.65x = 69,593,159.25
  5. Step 5: Solve for x
    x = 69,593,159.25/10,607.65
  6. Step 6: Final answer
    x = 6,560.66

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