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Finding the Fourth Proportional to 58,881.87, 81,264.78 and 35,021.70

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Solution

The fourth proportional to 58,881.87, 81,264.78 and 35,021.70 is: 48,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,881.87 : 81,264.78 = 35,021.70 : x
  2. Step 2: Convert to fraction form
    58,881.87/81,264.78 = 35,021.70/x
  3. Step 3: Cross multiply
    58,881.87x = 81,264.78 × 35,021.70
  4. Step 4: Simplify right side
    58,881.87x = 2,846,030,745.73
  5. Step 5: Solve for x
    x = 2,846,030,745.73/58,881.87
  6. Step 6: Final answer
    x = 48,334.58

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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.