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Finding the Fourth Proportional to 58,704.70, 87,901.53 and 30,944.38

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Solution

The fourth proportional to 58,704.70, 87,901.53 and 30,944.38 is: 46,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,704.70 : 87,901.53 = 30,944.38 : x
  2. Step 2: Convert to fraction form
    58,704.70/87,901.53 = 30,944.38/x
  3. Step 3: Cross multiply
    58,704.70x = 87,901.53 × 30,944.38
  4. Step 4: Simplify right side
    58,704.70x = 2,720,058,346.90
  5. Step 5: Solve for x
    x = 2,720,058,346.90/58,704.70
  6. Step 6: Final answer
    x = 46,334.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.