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Finding the Fourth Proportional to 4,917.22, 7,338.04 and 4,391.73

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Solution

The fourth proportional to 4,917.22, 7,338.04 and 4,391.73 is: 6,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.22 : 7,338.04 = 4,391.73 : x
  2. Step 2: Convert to fraction form
    4,917.22/7,338.04 = 4,391.73/x
  3. Step 3: Cross multiply
    4,917.22x = 7,338.04 × 4,391.73
  4. Step 4: Simplify right side
    4,917.22x = 32,226,679.43
  5. Step 5: Solve for x
    x = 32,226,679.43/4,917.22
  6. Step 6: Final answer
    x = 6,553.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.