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Finding the Fourth Proportional to 5,729.94, 8,545.70 and 5,631.53

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Solution

The fourth proportional to 5,729.94, 8,545.70 and 5,631.53 is: 8,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.94 : 8,545.70 = 5,631.53 : x
  2. Step 2: Convert to fraction form
    5,729.94/8,545.70 = 5,631.53/x
  3. Step 3: Cross multiply
    5,729.94x = 8,545.70 × 5,631.53
  4. Step 4: Simplify right side
    5,729.94x = 48,125,337.27
  5. Step 5: Solve for x
    x = 48,125,337.27/5,729.94
  6. Step 6: Final answer
    x = 8,398.93

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