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Finding the Fourth Proportional to 6,266.70, 8,650.80 and 3,908.52

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Solution

The fourth proportional to 6,266.70, 8,650.80 and 3,908.52 is: 5,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,266.70 : 8,650.80 = 3,908.52 : x
  2. Step 2: Convert to fraction form
    6,266.70/8,650.80 = 3,908.52/x
  3. Step 3: Cross multiply
    6,266.70x = 8,650.80 × 3,908.52
  4. Step 4: Simplify right side
    6,266.70x = 33,811,824.82
  5. Step 5: Solve for x
    x = 33,811,824.82/6,266.70
  6. Step 6: Final answer
    x = 5,395.48

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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.