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Finding the Fourth Proportional to 10,367.98, 15,551.97 and 3,442.48

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Solution

The fourth proportional to 10,367.98, 15,551.97 and 3,442.48 is: 5,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.98 : 15,551.97 = 3,442.48 : x
  2. Step 2: Convert to fraction form
    10,367.98/15,551.97 = 3,442.48/x
  3. Step 3: Cross multiply
    10,367.98x = 15,551.97 × 3,442.48
  4. Step 4: Simplify right side
    10,367.98x = 53,537,345.69
  5. Step 5: Solve for x
    x = 53,537,345.69/10,367.98
  6. Step 6: Final answer
    x = 5,163.72

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Similar ratio
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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.