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Finding the Fourth Proportional to 7,331.44, 10,994.84 and 3,866.80

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Solution

The fourth proportional to 7,331.44, 10,994.84 and 3,866.80 is: 5,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.44 : 10,994.84 = 3,866.80 : x
  2. Step 2: Convert to fraction form
    7,331.44/10,994.84 = 3,866.80/x
  3. Step 3: Cross multiply
    7,331.44x = 10,994.84 × 3,866.80
  4. Step 4: Simplify right side
    7,331.44x = 42,514,847.31
  5. Step 5: Solve for x
    x = 42,514,847.31/7,331.44
  6. Step 6: Final answer
    x = 5,798.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.