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Finding the Fourth Proportional to 8,338.49, 12,448.30 and 8,046.49

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Solution

The fourth proportional to 8,338.49, 12,448.30 and 8,046.49 is: 12,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.49 : 12,448.30 = 8,046.49 : x
  2. Step 2: Convert to fraction form
    8,338.49/12,448.30 = 8,046.49/x
  3. Step 3: Cross multiply
    8,338.49x = 12,448.30 × 8,046.49
  4. Step 4: Simplify right side
    8,338.49x = 100,165,018.99
  5. Step 5: Solve for x
    x = 100,165,018.99/8,338.49
  6. Step 6: Final answer
    x = 12,012.37

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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.