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Finding the Fourth Proportional to 6,633.61, 9,154.18 and 3,649.44

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Solution

The fourth proportional to 6,633.61, 9,154.18 and 3,649.44 is: 5,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.61 : 9,154.18 = 3,649.44 : x
  2. Step 2: Convert to fraction form
    6,633.61/9,154.18 = 3,649.44/x
  3. Step 3: Cross multiply
    6,633.61x = 9,154.18 × 3,649.44
  4. Step 4: Simplify right side
    6,633.61x = 33,407,630.66
  5. Step 5: Solve for x
    x = 33,407,630.66/6,633.61
  6. Step 6: Final answer
    x = 5,036.12

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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.