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Finding the Fourth Proportional to 52,620.64, 78,922.44 and 19,332.52

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Solution

The fourth proportional to 52,620.64, 78,922.44 and 19,332.52 is: 28,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,620.64 : 78,922.44 = 19,332.52 : x
  2. Step 2: Convert to fraction form
    52,620.64/78,922.44 = 19,332.52/x
  3. Step 3: Cross multiply
    52,620.64x = 78,922.44 × 19,332.52
  4. Step 4: Simplify right side
    52,620.64x = 1,525,769,649.75
  5. Step 5: Solve for x
    x = 1,525,769,649.75/52,620.64
  6. Step 6: Final answer
    x = 28,995.65

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