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Finding the Fourth Proportional to 5,296.92, 7,309.95 and 2,906.97

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Solution

The fourth proportional to 5,296.92, 7,309.95 and 2,906.97 is: 4,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.92 : 7,309.95 = 2,906.97 : x
  2. Step 2: Convert to fraction form
    5,296.92/7,309.95 = 2,906.97/x
  3. Step 3: Cross multiply
    5,296.92x = 7,309.95 × 2,906.97
  4. Step 4: Simplify right side
    5,296.92x = 21,249,805.35
  5. Step 5: Solve for x
    x = 21,249,805.35/5,296.92
  6. Step 6: Final answer
    x = 4,011.73

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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.