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Finding the Fourth Proportional to 7,322.37, 10,978.33 and 3,424.65

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Solution

The fourth proportional to 7,322.37, 10,978.33 and 3,424.65 is: 5,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.37 : 10,978.33 = 3,424.65 : x
  2. Step 2: Convert to fraction form
    7,322.37/10,978.33 = 3,424.65/x
  3. Step 3: Cross multiply
    7,322.37x = 10,978.33 × 3,424.65
  4. Step 4: Simplify right side
    7,322.37x = 37,596,937.83
  5. Step 5: Solve for x
    x = 37,596,937.83/7,322.37
  6. Step 6: Final answer
    x = 5,134.53

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