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Finding the Fourth Proportional to 29,879.32, 44,819.01 and 7,692.75

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Solution

The fourth proportional to 29,879.32, 44,819.01 and 7,692.75 is: 11,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,879.32 : 44,819.01 = 7,692.75 : x
  2. Step 2: Convert to fraction form
    29,879.32/44,819.01 = 7,692.75/x
  3. Step 3: Cross multiply
    29,879.32x = 44,819.01 × 7,692.75
  4. Step 4: Simplify right side
    29,879.32x = 344,781,215.08
  5. Step 5: Solve for x
    x = 344,781,215.08/29,879.32
  6. Step 6: Final answer
    x = 11,539.13

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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.