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Finding the Fourth Proportional to 3,463.58, 5,195.39 and 866.52

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Solution

The fourth proportional to 3,463.58, 5,195.39 and 866.52 is: 1,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.58 : 5,195.39 = 866.52 : x
  2. Step 2: Convert to fraction form
    3,463.58/5,195.39 = 866.52/x
  3. Step 3: Cross multiply
    3,463.58x = 5,195.39 × 866.52
  4. Step 4: Simplify right side
    3,463.58x = 4,501,905.01
  5. Step 5: Solve for x
    x = 4,501,905.01/3,463.58
  6. Step 6: Final answer
    x = 1,299.78

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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.