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Finding the Fourth Proportional to 4,793.45, 6,615 and 2,669.09

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Solution

The fourth proportional to 4,793.45, 6,615 and 2,669.09 is: 3,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.45 : 6,615 = 2,669.09 : x
  2. Step 2: Convert to fraction form
    4,793.45/6,615 = 2,669.09/x
  3. Step 3: Cross multiply
    4,793.45x = 6,615 × 2,669.09
  4. Step 4: Simplify right side
    4,793.45x = 17,655,997.28
  5. Step 5: Solve for x
    x = 17,655,997.28/4,793.45
  6. Step 6: Final answer
    x = 3,683.36

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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.