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Finding the Fourth Proportional to 9,574.73, 13,209.50 and 5,939.09

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Solution

The fourth proportional to 9,574.73, 13,209.50 and 5,939.09 is: 8,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,574.73 : 13,209.50 = 5,939.09 : x
  2. Step 2: Convert to fraction form
    9,574.73/13,209.50 = 5,939.09/x
  3. Step 3: Cross multiply
    9,574.73x = 13,209.50 × 5,939.09
  4. Step 4: Simplify right side
    9,574.73x = 78,452,414.68
  5. Step 5: Solve for x
    x = 78,452,414.68/9,574.73
  6. Step 6: Final answer
    x = 8,193.69

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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.