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Finding the Fourth Proportional to 11,873.49, 16,385.49 and 6,568.39

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Solution

The fourth proportional to 11,873.49, 16,385.49 and 6,568.39 is: 9,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.49 : 16,385.49 = 6,568.39 : x
  2. Step 2: Convert to fraction form
    11,873.49/16,385.49 = 6,568.39/x
  3. Step 3: Cross multiply
    11,873.49x = 16,385.49 × 6,568.39
  4. Step 4: Simplify right side
    11,873.49x = 107,626,309.14
  5. Step 5: Solve for x
    x = 107,626,309.14/11,873.49
  6. Step 6: Final answer
    x = 9,064.42

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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.