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Finding the Fourth Proportional to 37,422.64, 51,643.12 and 20,655.52

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Solution

The fourth proportional to 37,422.64, 51,643.12 and 20,655.52 is: 28,504.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,422.64 : 51,643.12 = 20,655.52 : x
  2. Step 2: Convert to fraction form
    37,422.64/51,643.12 = 20,655.52/x
  3. Step 3: Cross multiply
    37,422.64x = 51,643.12 × 20,655.52
  4. Step 4: Simplify right side
    37,422.64x = 1,066,715,498.02
  5. Step 5: Solve for x
    x = 1,066,715,498.02/37,422.64
  6. Step 6: Final answer
    x = 28,504.55

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