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Finding the Fourth Proportional to 4,997.91, 6,894.93 and 3,229.68

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Solution

The fourth proportional to 4,997.91, 6,894.93 and 3,229.68 is: 4,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.91 : 6,894.93 = 3,229.68 : x
  2. Step 2: Convert to fraction form
    4,997.91/6,894.93 = 3,229.68/x
  3. Step 3: Cross multiply
    4,997.91x = 6,894.93 × 3,229.68
  4. Step 4: Simplify right side
    4,997.91x = 22,268,417.52
  5. Step 5: Solve for x
    x = 22,268,417.52/4,997.91
  6. Step 6: Final answer
    x = 4,455.55

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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.