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Finding the Fourth Proportional to 6,653.21, 9,982.04 and 2,955.69

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Solution

The fourth proportional to 6,653.21, 9,982.04 and 2,955.69 is: 4,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.21 : 9,982.04 = 2,955.69 : x
  2. Step 2: Convert to fraction form
    6,653.21/9,982.04 = 2,955.69/x
  3. Step 3: Cross multiply
    6,653.21x = 9,982.04 × 2,955.69
  4. Step 4: Simplify right side
    6,653.21x = 29,503,801.03
  5. Step 5: Solve for x
    x = 29,503,801.03/6,653.21
  6. Step 6: Final answer
    x = 4,434.52

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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.