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Finding the Fourth Proportional to 3,649.72, 5,032.92 and 2,984.44

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Solution

The fourth proportional to 3,649.72, 5,032.92 and 2,984.44 is: 4,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.72 : 5,032.92 = 2,984.44 : x
  2. Step 2: Convert to fraction form
    3,649.72/5,032.92 = 2,984.44/x
  3. Step 3: Cross multiply
    3,649.72x = 5,032.92 × 2,984.44
  4. Step 4: Simplify right side
    3,649.72x = 15,020,447.76
  5. Step 5: Solve for x
    x = 15,020,447.76/3,649.72
  6. Step 6: Final answer
    x = 4,115.51

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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.