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Finding the Fourth Proportional to 6,633.40, 9,154.02 and 3,649.24

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Solution

The fourth proportional to 6,633.40, 9,154.02 and 3,649.24 is: 5,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.40 : 9,154.02 = 3,649.24 : x
  2. Step 2: Convert to fraction form
    6,633.40/9,154.02 = 3,649.24/x
  3. Step 3: Cross multiply
    6,633.40x = 9,154.02 × 3,649.24
  4. Step 4: Simplify right side
    6,633.40x = 33,405,189.58
  5. Step 5: Solve for x
    x = 33,405,189.58/6,633.40
  6. Step 6: Final answer
    x = 5,035.91

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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.