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Finding the Fourth Proportional to 3,195.92, 4,793.84 and 887.40

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Solution

The fourth proportional to 3,195.92, 4,793.84 and 887.40 is: 1,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.92 : 4,793.84 = 887.40 : x
  2. Step 2: Convert to fraction form
    3,195.92/4,793.84 = 887.40/x
  3. Step 3: Cross multiply
    3,195.92x = 4,793.84 × 887.40
  4. Step 4: Simplify right side
    3,195.92x = 4,254,053.62
  5. Step 5: Solve for x
    x = 4,254,053.62/3,195.92
  6. Step 6: Final answer
    x = 1,331.09

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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.