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Finding the Fourth Proportional to 8,165.56, 11,268.42 and 4,439.56

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Solution

The fourth proportional to 8,165.56, 11,268.42 and 4,439.56 is: 6,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.56 : 11,268.42 = 4,439.56 : x
  2. Step 2: Convert to fraction form
    8,165.56/11,268.42 = 4,439.56/x
  3. Step 3: Cross multiply
    8,165.56x = 11,268.42 × 4,439.56
  4. Step 4: Simplify right side
    8,165.56x = 50,026,826.70
  5. Step 5: Solve for x
    x = 50,026,826.70/8,165.56
  6. Step 6: Final answer
    x = 6,126.56

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1.5x scale

Why These Related Problems?

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