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Finding the Fourth Proportional to 6,788.24, 9,363.62 and 4,488.62

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Solution

The fourth proportional to 6,788.24, 9,363.62 and 4,488.62 is: 6,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.24 : 9,363.62 = 4,488.62 : x
  2. Step 2: Convert to fraction form
    6,788.24/9,363.62 = 4,488.62/x
  3. Step 3: Cross multiply
    6,788.24x = 9,363.62 × 4,488.62
  4. Step 4: Simplify right side
    6,788.24x = 42,029,766.64
  5. Step 5: Solve for x
    x = 42,029,766.64/6,788.24
  6. Step 6: Final answer
    x = 6,191.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.