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Finding the Fourth Proportional to 5,611.91, 8,412.84 and 2,322.90

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Solution

The fourth proportional to 5,611.91, 8,412.84 and 2,322.90 is: 3,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.91 : 8,412.84 = 2,322.90 : x
  2. Step 2: Convert to fraction form
    5,611.91/8,412.84 = 2,322.90/x
  3. Step 3: Cross multiply
    5,611.91x = 8,412.84 × 2,322.90
  4. Step 4: Simplify right side
    5,611.91x = 19,542,186.04
  5. Step 5: Solve for x
    x = 19,542,186.04/5,611.91
  6. Step 6: Final answer
    x = 3,482.27

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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.