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Finding the Fourth Proportional to 8,067.68, 12,043.16 and 7,490.96

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Solution

The fourth proportional to 8,067.68, 12,043.16 and 7,490.96 is: 11,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.68 : 12,043.16 = 7,490.96 : x
  2. Step 2: Convert to fraction form
    8,067.68/12,043.16 = 7,490.96/x
  3. Step 3: Cross multiply
    8,067.68x = 12,043.16 × 7,490.96
  4. Step 4: Simplify right side
    8,067.68x = 90,214,829.83
  5. Step 5: Solve for x
    x = 90,214,829.83/8,067.68
  6. Step 6: Final answer
    x = 11,182.25

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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.