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Finding the Fourth Proportional to 6,221.58, 9,338.46 and 4,849.86

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Solution

The fourth proportional to 6,221.58, 9,338.46 and 4,849.86 is: 7,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.58 : 9,338.46 = 4,849.86 : x
  2. Step 2: Convert to fraction form
    6,221.58/9,338.46 = 4,849.86/x
  3. Step 3: Cross multiply
    6,221.58x = 9,338.46 × 4,849.86
  4. Step 4: Simplify right side
    6,221.58x = 45,290,223.62
  5. Step 5: Solve for x
    x = 45,290,223.62/6,221.58
  6. Step 6: Final answer
    x = 7,279.54

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1.5x scale

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.