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Finding the Fourth Proportional to 3,350.86, 5,026.25 and 817.97

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Solution

The fourth proportional to 3,350.86, 5,026.25 and 817.97 is: 1,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.86 : 5,026.25 = 817.97 : x
  2. Step 2: Convert to fraction form
    3,350.86/5,026.25 = 817.97/x
  3. Step 3: Cross multiply
    3,350.86x = 5,026.25 × 817.97
  4. Step 4: Simplify right side
    3,350.86x = 4,111,321.71
  5. Step 5: Solve for x
    x = 4,111,321.71/3,350.86
  6. Step 6: Final answer
    x = 1,226.95

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1.5x scale

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.