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Finding the Fourth Proportional to 73,086.75, 109,630.13 and 17,682.75

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Solution

The fourth proportional to 73,086.75, 109,630.13 and 17,682.75 is: 26,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,086.75 : 109,630.13 = 17,682.75 : x
  2. Step 2: Convert to fraction form
    73,086.75/109,630.13 = 17,682.75/x
  3. Step 3: Cross multiply
    73,086.75x = 109,630.13 × 17,682.75
  4. Step 4: Simplify right side
    73,086.75x = 1,938,562,092.84
  5. Step 5: Solve for x
    x = 1,938,562,092.84/73,086.75
  6. Step 6: Final answer
    x = 26,524.13

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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.