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Finding the Fourth Proportional to 10,302, 15,452.22 and 3,281.73

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Solution

The fourth proportional to 10,302, 15,452.22 and 3,281.73 is: 4,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302 : 15,452.22 = 3,281.73 : x
  2. Step 2: Convert to fraction form
    10,302/15,452.22 = 3,281.73/x
  3. Step 3: Cross multiply
    10,302x = 15,452.22 × 3,281.73
  4. Step 4: Simplify right side
    10,302x = 50,710,013.94
  5. Step 5: Solve for x
    x = 50,710,013.94/10,302
  6. Step 6: Final answer
    x = 4,922.35

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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.