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Finding the Fourth Proportional to 8,919.09, 13,371.93 and 4,533.54

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Solution

The fourth proportional to 8,919.09, 13,371.93 and 4,533.54 is: 6,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.09 : 13,371.93 = 4,533.54 : x
  2. Step 2: Convert to fraction form
    8,919.09/13,371.93 = 4,533.54/x
  3. Step 3: Cross multiply
    8,919.09x = 13,371.93 × 4,533.54
  4. Step 4: Simplify right side
    8,919.09x = 60,622,179.53
  5. Step 5: Solve for x
    x = 60,622,179.53/8,919.09
  6. Step 6: Final answer
    x = 6,796.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.