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Finding the Fourth Proportional to 12,496.73, 18,745.07 and 4,174.83

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Solution

The fourth proportional to 12,496.73, 18,745.07 and 4,174.83 is: 6,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.73 : 18,745.07 = 4,174.83 : x
  2. Step 2: Convert to fraction form
    12,496.73/18,745.07 = 4,174.83/x
  3. Step 3: Cross multiply
    12,496.73x = 18,745.07 × 4,174.83
  4. Step 4: Simplify right side
    12,496.73x = 78,257,459.71
  5. Step 5: Solve for x
    x = 78,257,459.71/12,496.73
  6. Step 6: Final answer
    x = 6,262.24

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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.