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Finding the Fourth Proportional to 7,958.32, 10,978.95 and 5,303.14

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Solution

The fourth proportional to 7,958.32, 10,978.95 and 5,303.14 is: 7,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.32 : 10,978.95 = 5,303.14 : x
  2. Step 2: Convert to fraction form
    7,958.32/10,978.95 = 5,303.14/x
  3. Step 3: Cross multiply
    7,958.32x = 10,978.95 × 5,303.14
  4. Step 4: Simplify right side
    7,958.32x = 58,222,908.90
  5. Step 5: Solve for x
    x = 58,222,908.90/7,958.32
  6. Step 6: Final answer
    x = 7,315.98

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