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Finding the Fourth Proportional to 34,858.97, 48,103.80 and 19,751.30

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Solution

The fourth proportional to 34,858.97, 48,103.80 and 19,751.30 is: 27,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,858.97 : 48,103.80 = 19,751.30 : x
  2. Step 2: Convert to fraction form
    34,858.97/48,103.80 = 19,751.30/x
  3. Step 3: Cross multiply
    34,858.97x = 48,103.80 × 19,751.30
  4. Step 4: Simplify right side
    34,858.97x = 950,112,584.94
  5. Step 5: Solve for x
    x = 950,112,584.94/34,858.97
  6. Step 6: Final answer
    x = 27,255.90

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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.