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Finding the Fourth Proportional to 61,651.74, 92,625.30 and 39,508.50

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Solution

The fourth proportional to 61,651.74, 92,625.30 and 39,508.50 is: 59,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,651.74 : 92,625.30 = 39,508.50 : x
  2. Step 2: Convert to fraction form
    61,651.74/92,625.30 = 39,508.50/x
  3. Step 3: Cross multiply
    61,651.74x = 92,625.30 × 39,508.50
  4. Step 4: Simplify right side
    61,651.74x = 3,659,486,665.05
  5. Step 5: Solve for x
    x = 3,659,486,665.05/61,651.74
  6. Step 6: Final answer
    x = 59,357.39

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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.