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Finding the Fourth Proportional to 58,647.72, 80,944.68 and 33,497.20

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Solution

The fourth proportional to 58,647.72, 80,944.68 and 33,497.20 is: 46,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,647.72 : 80,944.68 = 33,497.20 : x
  2. Step 2: Convert to fraction form
    58,647.72/80,944.68 = 33,497.20/x
  3. Step 3: Cross multiply
    58,647.72x = 80,944.68 × 33,497.20
  4. Step 4: Simplify right side
    58,647.72x = 2,711,420,134.90
  5. Step 5: Solve for x
    x = 2,711,420,134.90/58,647.72
  6. Step 6: Final answer
    x = 46,232.32

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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.