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Finding the Fourth Proportional to 4,981.86, 7,472.72 and 1,697.24

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Solution

The fourth proportional to 4,981.86, 7,472.72 and 1,697.24 is: 2,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.86 : 7,472.72 = 1,697.24 : x
  2. Step 2: Convert to fraction form
    4,981.86/7,472.72 = 1,697.24/x
  3. Step 3: Cross multiply
    4,981.86x = 7,472.72 × 1,697.24
  4. Step 4: Simplify right side
    4,981.86x = 12,683,022.22
  5. Step 5: Solve for x
    x = 12,683,022.22/4,981.86
  6. Step 6: Final answer
    x = 2,545.84

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