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Finding the Fourth Proportional to 12,093.81, 16,678.29 and 8,062.89

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Solution

The fourth proportional to 12,093.81, 16,678.29 and 8,062.89 is: 11,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.81 : 16,678.29 = 8,062.89 : x
  2. Step 2: Convert to fraction form
    12,093.81/16,678.29 = 8,062.89/x
  3. Step 3: Cross multiply
    12,093.81x = 16,678.29 × 8,062.89
  4. Step 4: Simplify right side
    12,093.81x = 134,475,217.66
  5. Step 5: Solve for x
    x = 134,475,217.66/12,093.81
  6. Step 6: Final answer
    x = 11,119.34

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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.