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Finding the Fourth Proportional to 4,917.27, 7,372.20 and 2,969.01

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Solution

The fourth proportional to 4,917.27, 7,372.20 and 2,969.01 is: 4,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.27 : 7,372.20 = 2,969.01 : x
  2. Step 2: Convert to fraction form
    4,917.27/7,372.20 = 2,969.01/x
  3. Step 3: Cross multiply
    4,917.27x = 7,372.20 × 2,969.01
  4. Step 4: Simplify right side
    4,917.27x = 21,888,135.52
  5. Step 5: Solve for x
    x = 21,888,135.52/4,917.27
  6. Step 6: Final answer
    x = 4,451.28

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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.