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Finding the Fourth Proportional to 7,600.82, 10,480.85 and 4,943.30

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Solution

The fourth proportional to 7,600.82, 10,480.85 and 4,943.30 is: 6,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.82 : 10,480.85 = 4,943.30 : x
  2. Step 2: Convert to fraction form
    7,600.82/10,480.85 = 4,943.30/x
  3. Step 3: Cross multiply
    7,600.82x = 10,480.85 × 4,943.30
  4. Step 4: Simplify right side
    7,600.82x = 51,809,908.68
  5. Step 5: Solve for x
    x = 51,809,908.68/7,600.82
  6. Step 6: Final answer
    x = 6,816.36

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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.