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Finding the Fourth Proportional to 52,312.88, 78,444.74 and 19,009.46

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Solution

The fourth proportional to 52,312.88, 78,444.74 and 19,009.46 is: 28,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,312.88 : 78,444.74 = 19,009.46 : x
  2. Step 2: Convert to fraction form
    52,312.88/78,444.74 = 19,009.46/x
  3. Step 3: Cross multiply
    52,312.88x = 78,444.74 × 19,009.46
  4. Step 4: Simplify right side
    52,312.88x = 1,491,192,147.24
  5. Step 5: Solve for x
    x = 1,491,192,147.24/52,312.88
  6. Step 6: Final answer
    x = 28,505.26

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