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Finding the Fourth Proportional to 6,611.33, 9,914.42 and 3,322.13

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Solution

The fourth proportional to 6,611.33, 9,914.42 and 3,322.13 is: 4,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.33 : 9,914.42 = 3,322.13 : x
  2. Step 2: Convert to fraction form
    6,611.33/9,914.42 = 3,322.13/x
  3. Step 3: Cross multiply
    6,611.33x = 9,914.42 × 3,322.13
  4. Step 4: Simplify right side
    6,611.33x = 32,936,925.93
  5. Step 5: Solve for x
    x = 32,936,925.93/6,611.33
  6. Step 6: Final answer
    x = 4,981.89

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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.