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Finding the Fourth Proportional to 8,020.98, 11,067.98 and 4,435.45

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Solution

The fourth proportional to 8,020.98, 11,067.98 and 4,435.45 is: 6,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.98 : 11,067.98 = 4,435.45 : x
  2. Step 2: Convert to fraction form
    8,020.98/11,067.98 = 4,435.45/x
  3. Step 3: Cross multiply
    8,020.98x = 11,067.98 × 4,435.45
  4. Step 4: Simplify right side
    8,020.98x = 49,091,471.89
  5. Step 5: Solve for x
    x = 49,091,471.89/8,020.98
  6. Step 6: Final answer
    x = 6,120.38

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Half scale
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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.