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Finding the Fourth Proportional to 58,129.68, 80,257.44 and 44,676.12

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Solution

The fourth proportional to 58,129.68, 80,257.44 and 44,676.12 is: 61,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,129.68 : 80,257.44 = 44,676.12 : x
  2. Step 2: Convert to fraction form
    58,129.68/80,257.44 = 44,676.12/x
  3. Step 3: Cross multiply
    58,129.68x = 80,257.44 × 44,676.12
  4. Step 4: Simplify right side
    58,129.68x = 3,585,591,020.33
  5. Step 5: Solve for x
    x = 3,585,591,020.33/58,129.68
  6. Step 6: Final answer
    x = 61,682.62

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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.