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Finding the Fourth Proportional to 6,809.52, 10,217.94 and 6,313.80

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Solution

The fourth proportional to 6,809.52, 10,217.94 and 6,313.80 is: 9,474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.52 : 10,217.94 = 6,313.80 : x
  2. Step 2: Convert to fraction form
    6,809.52/10,217.94 = 6,313.80/x
  3. Step 3: Cross multiply
    6,809.52x = 10,217.94 × 6,313.80
  4. Step 4: Simplify right side
    6,809.52x = 64,514,029.57
  5. Step 5: Solve for x
    x = 64,514,029.57/6,809.52
  6. Step 6: Final answer
    x = 9,474.09

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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.