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Finding the Fourth Proportional to 58,603.35, 80,873.01 and 31,745.87

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Solution

The fourth proportional to 58,603.35, 80,873.01 and 31,745.87 is: 43,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,603.35 : 80,873.01 = 31,745.87 : x
  2. Step 2: Convert to fraction form
    58,603.35/80,873.01 = 31,745.87/x
  3. Step 3: Cross multiply
    58,603.35x = 80,873.01 × 31,745.87
  4. Step 4: Simplify right side
    58,603.35x = 2,567,383,657.60
  5. Step 5: Solve for x
    x = 2,567,383,657.60/58,603.35
  6. Step 6: Final answer
    x = 43,809.50

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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.