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Finding the Fourth Proportional to 57,012.47, 85,482.48 and 50,006.55

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Solution

The fourth proportional to 57,012.47, 85,482.48 and 50,006.55 is: 74,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,012.47 : 85,482.48 = 50,006.55 : x
  2. Step 2: Convert to fraction form
    57,012.47/85,482.48 = 50,006.55/x
  3. Step 3: Cross multiply
    57,012.47x = 85,482.48 × 50,006.55
  4. Step 4: Simplify right side
    57,012.47x = 4,274,683,585.88
  5. Step 5: Solve for x
    x = 4,274,683,585.88/57,012.47
  6. Step 6: Final answer
    x = 74,978.05

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