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Finding the Fourth Proportional to 62,788.88, 94,230.84 and 31,650.32

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Solution

The fourth proportional to 62,788.88, 94,230.84 and 31,650.32 is: 47,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,788.88 : 94,230.84 = 31,650.32 : x
  2. Step 2: Convert to fraction form
    62,788.88/94,230.84 = 31,650.32/x
  3. Step 3: Cross multiply
    62,788.88x = 94,230.84 × 31,650.32
  4. Step 4: Simplify right side
    62,788.88x = 2,982,436,239.87
  5. Step 5: Solve for x
    x = 2,982,436,239.87/62,788.88
  6. Step 6: Final answer
    x = 47,499.43

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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.