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Finding the Fourth Proportional to 12,493.98, 18,747.08 and 5,473.04

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Solution

The fourth proportional to 12,493.98, 18,747.08 and 5,473.04 is: 8,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.98 : 18,747.08 = 5,473.04 : x
  2. Step 2: Convert to fraction form
    12,493.98/18,747.08 = 5,473.04/x
  3. Step 3: Cross multiply
    12,493.98x = 18,747.08 × 5,473.04
  4. Step 4: Simplify right side
    12,493.98x = 102,603,485.54
  5. Step 5: Solve for x
    x = 102,603,485.54/12,493.98
  6. Step 6: Final answer
    x = 8,212.23

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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.