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Finding the Fourth Proportional to 58,670.44, 80,965.38 and 33,519.40

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Solution

The fourth proportional to 58,670.44, 80,965.38 and 33,519.40 is: 46,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,670.44 : 80,965.38 = 33,519.40 : x
  2. Step 2: Convert to fraction form
    58,670.44/80,965.38 = 33,519.40/x
  3. Step 3: Cross multiply
    58,670.44x = 80,965.38 × 33,519.40
  4. Step 4: Simplify right side
    58,670.44x = 2,713,910,958.37
  5. Step 5: Solve for x
    x = 2,713,910,958.37/58,670.44
  6. Step 6: Final answer
    x = 46,256.87

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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.