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Finding the Fourth Proportional to 8,366.20, 11,544.90 and 4,829.20

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Solution

The fourth proportional to 8,366.20, 11,544.90 and 4,829.20 is: 6,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.20 : 11,544.90 = 4,829.20 : x
  2. Step 2: Convert to fraction form
    8,366.20/11,544.90 = 4,829.20/x
  3. Step 3: Cross multiply
    8,366.20x = 11,544.90 × 4,829.20
  4. Step 4: Simplify right side
    8,366.20x = 55,752,631.08
  5. Step 5: Solve for x
    x = 55,752,631.08/8,366.20
  6. Step 6: Final answer
    x = 6,664.03

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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.