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Finding the Fourth Proportional to 4,649.28, 6,973.92 and 3,268.79

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Solution

The fourth proportional to 4,649.28, 6,973.92 and 3,268.79 is: 4,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.28 : 6,973.92 = 3,268.79 : x
  2. Step 2: Convert to fraction form
    4,649.28/6,973.92 = 3,268.79/x
  3. Step 3: Cross multiply
    4,649.28x = 6,973.92 × 3,268.79
  4. Step 4: Simplify right side
    4,649.28x = 22,796,279.96
  5. Step 5: Solve for x
    x = 22,796,279.96/4,649.28
  6. Step 6: Final answer
    x = 4,903.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.