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Finding the Fourth Proportional to 8,309.92, 12,394.82 and 7,063.33

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Solution

The fourth proportional to 8,309.92, 12,394.82 and 7,063.33 is: 10,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.92 : 12,394.82 = 7,063.33 : x
  2. Step 2: Convert to fraction form
    8,309.92/12,394.82 = 7,063.33/x
  3. Step 3: Cross multiply
    8,309.92x = 12,394.82 × 7,063.33
  4. Step 4: Simplify right side
    8,309.92x = 87,548,679.00
  5. Step 5: Solve for x
    x = 87,548,679.00/8,309.92
  6. Step 6: Final answer
    x = 10,535.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.