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Finding the Fourth Proportional to 6,762.73, 9,338.50 and 4,249.20

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Solution

The fourth proportional to 6,762.73, 9,338.50 and 4,249.20 is: 5,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.73 : 9,338.50 = 4,249.20 : x
  2. Step 2: Convert to fraction form
    6,762.73/9,338.50 = 4,249.20/x
  3. Step 3: Cross multiply
    6,762.73x = 9,338.50 × 4,249.20
  4. Step 4: Simplify right side
    6,762.73x = 39,681,154.20
  5. Step 5: Solve for x
    x = 39,681,154.20/6,762.73
  6. Step 6: Final answer
    x = 5,867.62

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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.