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Finding the Fourth Proportional to 8,843.94, 12,197.84 and 5,488.74

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Solution

The fourth proportional to 8,843.94, 12,197.84 and 5,488.74 is: 7,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.94 : 12,197.84 = 5,488.74 : x
  2. Step 2: Convert to fraction form
    8,843.94/12,197.84 = 5,488.74/x
  3. Step 3: Cross multiply
    8,843.94x = 12,197.84 × 5,488.74
  4. Step 4: Simplify right side
    8,843.94x = 66,950,744.88
  5. Step 5: Solve for x
    x = 66,950,744.88/8,843.94
  6. Step 6: Final answer
    x = 7,570.24

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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.