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Finding the Fourth Proportional to 58,331.77, 80,454.87 and 43,992.20

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Solution

The fourth proportional to 58,331.77, 80,454.87 and 43,992.20 is: 60,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,331.77 : 80,454.87 = 43,992.20 : x
  2. Step 2: Convert to fraction form
    58,331.77/80,454.87 = 43,992.20/x
  3. Step 3: Cross multiply
    58,331.77x = 80,454.87 × 43,992.20
  4. Step 4: Simplify right side
    58,331.77x = 3,539,386,933.15
  5. Step 5: Solve for x
    x = 3,539,386,933.15/58,331.77
  6. Step 6: Final answer
    x = 60,676.83

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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.