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Finding the Fourth Proportional to 5,945.97, 8,920.76 and 1,996.77

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Solution

The fourth proportional to 5,945.97, 8,920.76 and 1,996.77 is: 2,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.97 : 8,920.76 = 1,996.77 : x
  2. Step 2: Convert to fraction form
    5,945.97/8,920.76 = 1,996.77/x
  3. Step 3: Cross multiply
    5,945.97x = 8,920.76 × 1,996.77
  4. Step 4: Simplify right side
    5,945.97x = 17,812,695.96
  5. Step 5: Solve for x
    x = 17,812,695.96/5,945.97
  6. Step 6: Final answer
    x = 2,995.76

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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.