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Finding the Fourth Proportional to 67,659.25, 101,489.30 and 17,738.90

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Solution

The fourth proportional to 67,659.25, 101,489.30 and 17,738.90 is: 26,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,659.25 : 101,489.30 = 17,738.90 : x
  2. Step 2: Convert to fraction form
    67,659.25/101,489.30 = 17,738.90/x
  3. Step 3: Cross multiply
    67,659.25x = 101,489.30 × 17,738.90
  4. Step 4: Simplify right side
    67,659.25x = 1,800,308,543.77
  5. Step 5: Solve for x
    x = 1,800,308,543.77/67,659.25
  6. Step 6: Final answer
    x = 26,608.46

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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.