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Finding the Fourth Proportional to 8,350.02, 11,520.36 and 4,812.48

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Solution

The fourth proportional to 8,350.02, 11,520.36 and 4,812.48 is: 6,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.02 : 11,520.36 = 4,812.48 : x
  2. Step 2: Convert to fraction form
    8,350.02/11,520.36 = 4,812.48/x
  3. Step 3: Cross multiply
    8,350.02x = 11,520.36 × 4,812.48
  4. Step 4: Simplify right side
    8,350.02x = 55,441,502.09
  5. Step 5: Solve for x
    x = 55,441,502.09/8,350.02
  6. Step 6: Final answer
    x = 6,639.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.