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Finding the Fourth Proportional to 34,942.69, 48,220.98 and 19,027.21

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Solution

The fourth proportional to 34,942.69, 48,220.98 and 19,027.21 is: 26,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,942.69 : 48,220.98 = 19,027.21 : x
  2. Step 2: Convert to fraction form
    34,942.69/48,220.98 = 19,027.21/x
  3. Step 3: Cross multiply
    34,942.69x = 48,220.98 × 19,027.21
  4. Step 4: Simplify right side
    34,942.69x = 917,510,712.87
  5. Step 5: Solve for x
    x = 917,510,712.87/34,942.69
  6. Step 6: Final answer
    x = 26,257.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.