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Finding the Fourth Proportional to 73,589.72, 110,297.66 and 31,457.48

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Solution

The fourth proportional to 73,589.72, 110,297.66 and 31,457.48 is: 47,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,589.72 : 110,297.66 = 31,457.48 : x
  2. Step 2: Convert to fraction form
    73,589.72/110,297.66 = 31,457.48/x
  3. Step 3: Cross multiply
    73,589.72x = 110,297.66 × 31,457.48
  4. Step 4: Simplify right side
    73,589.72x = 3,469,686,433.50
  5. Step 5: Solve for x
    x = 3,469,686,433.50/73,589.72
  6. Step 6: Final answer
    x = 47,149.06

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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.