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Finding the Fourth Proportional to 63,481.90, 95,221.90 and 15,450.67

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Solution

The fourth proportional to 63,481.90, 95,221.90 and 15,450.67 is: 23,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,481.90 : 95,221.90 = 15,450.67 : x
  2. Step 2: Convert to fraction form
    63,481.90/95,221.90 = 15,450.67/x
  3. Step 3: Cross multiply
    63,481.90x = 95,221.90 × 15,450.67
  4. Step 4: Simplify right side
    63,481.90x = 1,471,242,603.28
  5. Step 5: Solve for x
    x = 1,471,242,603.28/63,481.90
  6. Step 6: Final answer
    x = 23,175.78

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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.