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Finding the Fourth Proportional to 73,741.78, 110,613.03 and 18,337.78

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Solution

The fourth proportional to 73,741.78, 110,613.03 and 18,337.78 is: 27,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,741.78 : 110,613.03 = 18,337.78 : x
  2. Step 2: Convert to fraction form
    73,741.78/110,613.03 = 18,337.78/x
  3. Step 3: Cross multiply
    73,741.78x = 110,613.03 × 18,337.78
  4. Step 4: Simplify right side
    73,741.78x = 2,028,397,409.27
  5. Step 5: Solve for x
    x = 2,028,397,409.27/73,741.78
  6. Step 6: Final answer
    x = 27,506.76

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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.