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Finding the Fourth Proportional to 59,443.31, 82,040.13 and 36,789.56

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Solution

The fourth proportional to 59,443.31, 82,040.13 and 36,789.56 is: 50,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,443.31 : 82,040.13 = 36,789.56 : x
  2. Step 2: Convert to fraction form
    59,443.31/82,040.13 = 36,789.56/x
  3. Step 3: Cross multiply
    59,443.31x = 82,040.13 × 36,789.56
  4. Step 4: Simplify right side
    59,443.31x = 3,018,219,874.84
  5. Step 5: Solve for x
    x = 3,018,219,874.84/59,443.31
  6. Step 6: Final answer
    x = 50,774.77

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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.