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Finding the Fourth Proportional to 12,067.80, 16,654.02 and 7,035.26

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Solution

The fourth proportional to 12,067.80, 16,654.02 and 7,035.26 is: 9,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.80 : 16,654.02 = 7,035.26 : x
  2. Step 2: Convert to fraction form
    12,067.80/16,654.02 = 7,035.26/x
  3. Step 3: Cross multiply
    12,067.80x = 16,654.02 × 7,035.26
  4. Step 4: Simplify right side
    12,067.80x = 117,165,360.75
  5. Step 5: Solve for x
    x = 117,165,360.75/12,067.80
  6. Step 6: Final answer
    x = 9,708.92

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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.