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Finding the Fourth Proportional to 6,773.22, 9,345.21 and 4,649.40

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Solution

The fourth proportional to 6,773.22, 9,345.21 and 4,649.40 is: 6,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,773.22 : 9,345.21 = 4,649.40 : x
  2. Step 2: Convert to fraction form
    6,773.22/9,345.21 = 4,649.40/x
  3. Step 3: Cross multiply
    6,773.22x = 9,345.21 × 4,649.40
  4. Step 4: Simplify right side
    6,773.22x = 43,449,619.37
  5. Step 5: Solve for x
    x = 43,449,619.37/6,773.22
  6. Step 6: Final answer
    x = 6,414.91

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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.