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Finding the Fourth Proportional to 73,613.44, 110,423.68 and 21,026.56

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Solution

The fourth proportional to 73,613.44, 110,423.68 and 21,026.56 is: 31,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,613.44 : 110,423.68 = 21,026.56 : x
  2. Step 2: Convert to fraction form
    73,613.44/110,423.68 = 21,026.56/x
  3. Step 3: Cross multiply
    73,613.44x = 110,423.68 × 21,026.56
  4. Step 4: Simplify right side
    73,613.44x = 2,321,830,132.94
  5. Step 5: Solve for x
    x = 2,321,830,132.94/73,613.44
  6. Step 6: Final answer
    x = 31,540.85

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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.