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Finding the Fourth Proportional to 58,508.43, 80,741.22 and 31,650.54

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Solution

The fourth proportional to 58,508.43, 80,741.22 and 31,650.54 is: 43,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,508.43 : 80,741.22 = 31,650.54 : x
  2. Step 2: Convert to fraction form
    58,508.43/80,741.22 = 31,650.54/x
  3. Step 3: Cross multiply
    58,508.43x = 80,741.22 × 31,650.54
  4. Step 4: Simplify right side
    58,508.43x = 2,555,503,213.26
  5. Step 5: Solve for x
    x = 2,555,503,213.26/58,508.43
  6. Step 6: Final answer
    x = 43,677.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.