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Finding the Fourth Proportional to 12,067.81, 16,660.76 and 7,595.39

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Solution

The fourth proportional to 12,067.81, 16,660.76 and 7,595.39 is: 10,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.81 : 16,660.76 = 7,595.39 : x
  2. Step 2: Convert to fraction form
    12,067.81/16,660.76 = 7,595.39/x
  3. Step 3: Cross multiply
    12,067.81x = 16,660.76 × 7,595.39
  4. Step 4: Simplify right side
    12,067.81x = 126,544,973.57
  5. Step 5: Solve for x
    x = 126,544,973.57/12,067.81
  6. Step 6: Final answer
    x = 10,486.16

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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.