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Finding the Fourth Proportional to 8,682.22, 11,981.62 and 4,703.50

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Solution

The fourth proportional to 8,682.22, 11,981.62 and 4,703.50 is: 6,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.22 : 11,981.62 = 4,703.50 : x
  2. Step 2: Convert to fraction form
    8,682.22/11,981.62 = 4,703.50/x
  3. Step 3: Cross multiply
    8,682.22x = 11,981.62 × 4,703.50
  4. Step 4: Simplify right side
    8,682.22x = 56,355,549.67
  5. Step 5: Solve for x
    x = 56,355,549.67/8,682.22
  6. Step 6: Final answer
    x = 6,490.91

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