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Finding the Fourth Proportional to 3,633.70, 5,472.99 and 3,458.74

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Solution

The fourth proportional to 3,633.70, 5,472.99 and 3,458.74 is: 5,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.70 : 5,472.99 = 3,458.74 : x
  2. Step 2: Convert to fraction form
    3,633.70/5,472.99 = 3,458.74/x
  3. Step 3: Cross multiply
    3,633.70x = 5,472.99 × 3,458.74
  4. Step 4: Simplify right side
    3,633.70x = 18,929,649.43
  5. Step 5: Solve for x
    x = 18,929,649.43/3,633.70
  6. Step 6: Final answer
    x = 5,209.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.