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Finding the Fourth Proportional to 73,697.50, 110,589.11 and 30,999.79

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Solution

The fourth proportional to 73,697.50, 110,589.11 and 30,999.79 is: 46,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,697.50 : 110,589.11 = 30,999.79 : x
  2. Step 2: Convert to fraction form
    73,697.50/110,589.11 = 30,999.79/x
  3. Step 3: Cross multiply
    73,697.50x = 110,589.11 × 30,999.79
  4. Step 4: Simplify right side
    73,697.50x = 3,428,238,478.34
  5. Step 5: Solve for x
    x = 3,428,238,478.34/73,697.50
  6. Step 6: Final answer
    x = 46,517.71

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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.