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Finding the Fourth Proportional to 6,945.80, 10,429.23 and 6,067.76

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Solution

The fourth proportional to 6,945.80, 10,429.23 and 6,067.76 is: 9,110.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.80 : 10,429.23 = 6,067.76 : x
  2. Step 2: Convert to fraction form
    6,945.80/10,429.23 = 6,067.76/x
  3. Step 3: Cross multiply
    6,945.80x = 10,429.23 × 6,067.76
  4. Step 4: Simplify right side
    6,945.80x = 63,282,064.62
  5. Step 5: Solve for x
    x = 63,282,064.62/6,945.80
  6. Step 6: Final answer
    x = 9,110.84

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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.