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Finding the Fourth Proportional to 6,611.33, 9,899.23 and 3,484.84

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Solution

The fourth proportional to 6,611.33, 9,899.23 and 3,484.84 is: 5,217.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.33 : 9,899.23 = 3,484.84 : x
  2. Step 2: Convert to fraction form
    6,611.33/9,899.23 = 3,484.84/x
  3. Step 3: Cross multiply
    6,611.33x = 9,899.23 × 3,484.84
  4. Step 4: Simplify right side
    6,611.33x = 34,497,199.21
  5. Step 5: Solve for x
    x = 34,497,199.21/6,611.33
  6. Step 6: Final answer
    x = 5,217.89

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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.