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Finding the Fourth Proportional to 52,181.82, 72,010.92 and 29,520.33

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Solution

The fourth proportional to 52,181.82, 72,010.92 and 29,520.33 is: 40,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,181.82 : 72,010.92 = 29,520.33 : x
  2. Step 2: Convert to fraction form
    52,181.82/72,010.92 = 29,520.33/x
  3. Step 3: Cross multiply
    52,181.82x = 72,010.92 × 29,520.33
  4. Step 4: Simplify right side
    52,181.82x = 2,125,786,122.00
  5. Step 5: Solve for x
    x = 2,125,786,122.00/52,181.82
  6. Step 6: Final answer
    x = 40,738.06

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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.