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Finding the Fourth Proportional to 5,922.20, 8,881.52 and 4,879.62

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Solution

The fourth proportional to 5,922.20, 8,881.52 and 4,879.62 is: 7,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,922.20 : 8,881.52 = 4,879.62 : x
  2. Step 2: Convert to fraction form
    5,922.20/8,881.52 = 4,879.62/x
  3. Step 3: Cross multiply
    5,922.20x = 8,881.52 × 4,879.62
  4. Step 4: Simplify right side
    5,922.20x = 43,338,454.82
  5. Step 5: Solve for x
    x = 43,338,454.82/5,922.20
  6. Step 6: Final answer
    x = 7,317.96

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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.