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Finding the Fourth Proportional to 3,077.92, 4,616.83 and 997.99

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Solution

The fourth proportional to 3,077.92, 4,616.83 and 997.99 is: 1,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.92 : 4,616.83 = 997.99 : x
  2. Step 2: Convert to fraction form
    3,077.92/4,616.83 = 997.99/x
  3. Step 3: Cross multiply
    3,077.92x = 4,616.83 × 997.99
  4. Step 4: Simplify right side
    3,077.92x = 4,607,550.17
  5. Step 5: Solve for x
    x = 4,607,550.17/3,077.92
  6. Step 6: Final answer
    x = 1,496.97

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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.