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Finding the Fourth Proportional to 3,322.14, 4,984.02 and 982.32

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Solution

The fourth proportional to 3,322.14, 4,984.02 and 982.32 is: 1,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.14 : 4,984.02 = 982.32 : x
  2. Step 2: Convert to fraction form
    3,322.14/4,984.02 = 982.32/x
  3. Step 3: Cross multiply
    3,322.14x = 4,984.02 × 982.32
  4. Step 4: Simplify right side
    3,322.14x = 4,895,902.53
  5. Step 5: Solve for x
    x = 4,895,902.53/3,322.14
  6. Step 6: Final answer
    x = 1,473.72

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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.