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Finding the Fourth Proportional to 2,650.96, 3,658.44 and 1,472.04

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Solution

The fourth proportional to 2,650.96, 3,658.44 and 1,472.04 is: 2,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.96 : 3,658.44 = 1,472.04 : x
  2. Step 2: Convert to fraction form
    2,650.96/3,658.44 = 1,472.04/x
  3. Step 3: Cross multiply
    2,650.96x = 3,658.44 × 1,472.04
  4. Step 4: Simplify right side
    2,650.96x = 5,385,370.02
  5. Step 5: Solve for x
    x = 5,385,370.02/2,650.96
  6. Step 6: Final answer
    x = 2,031.48

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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.