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Finding the Fourth Proportional to 34,101.90, 51,120.03 and 17,469.78

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Solution

The fourth proportional to 34,101.90, 51,120.03 and 17,469.78 is: 26,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,101.90 : 51,120.03 = 17,469.78 : x
  2. Step 2: Convert to fraction form
    34,101.90/51,120.03 = 17,469.78/x
  3. Step 3: Cross multiply
    34,101.90x = 51,120.03 × 17,469.78
  4. Step 4: Simplify right side
    34,101.90x = 893,055,677.69
  5. Step 5: Solve for x
    x = 893,055,677.69/34,101.90
  6. Step 6: Final answer
    x = 26,187.86

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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.