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Finding the Fourth Proportional to 8,155.01, 11,249.17 and 4,617.54

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Solution

The fourth proportional to 8,155.01, 11,249.17 and 4,617.54 is: 6,369.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.01 : 11,249.17 = 4,617.54 : x
  2. Step 2: Convert to fraction form
    8,155.01/11,249.17 = 4,617.54/x
  3. Step 3: Cross multiply
    8,155.01x = 11,249.17 × 4,617.54
  4. Step 4: Simplify right side
    8,155.01x = 51,943,480.90
  5. Step 5: Solve for x
    x = 51,943,480.90/8,155.01
  6. Step 6: Final answer
    x = 6,369.52

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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.