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Finding the Fourth Proportional to 73,131.75, 109,697.63 and 17,727.75

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Solution

The fourth proportional to 73,131.75, 109,697.63 and 17,727.75 is: 26,591.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,131.75 : 109,697.63 = 17,727.75 : x
  2. Step 2: Convert to fraction form
    73,131.75/109,697.63 = 17,727.75/x
  3. Step 3: Cross multiply
    73,131.75x = 109,697.63 × 17,727.75
  4. Step 4: Simplify right side
    73,131.75x = 1,944,692,071.59
  5. Step 5: Solve for x
    x = 1,944,692,071.59/73,131.75
  6. Step 6: Final answer
    x = 26,591.63

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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.