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Finding the Fourth Proportional to 7,164.69, 10,742.85 and 2,165.58

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Solution

The fourth proportional to 7,164.69, 10,742.85 and 2,165.58 is: 3,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.69 : 10,742.85 = 2,165.58 : x
  2. Step 2: Convert to fraction form
    7,164.69/10,742.85 = 2,165.58/x
  3. Step 3: Cross multiply
    7,164.69x = 10,742.85 × 2,165.58
  4. Step 4: Simplify right side
    7,164.69x = 23,264,501.10
  5. Step 5: Solve for x
    x = 23,264,501.10/7,164.69
  6. Step 6: Final answer
    x = 3,247.11

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