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Finding the Fourth Proportional to 61,293.78, 91,893.94 and 31,692.74

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Solution

The fourth proportional to 61,293.78, 91,893.94 and 31,692.74 is: 47,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,293.78 : 91,893.94 = 31,692.74 : x
  2. Step 2: Convert to fraction form
    61,293.78/91,893.94 = 31,692.74/x
  3. Step 3: Cross multiply
    61,293.78x = 91,893.94 × 31,692.74
  4. Step 4: Simplify right side
    61,293.78x = 2,912,370,748.00
  5. Step 5: Solve for x
    x = 2,912,370,748.00/61,293.78
  6. Step 6: Final answer
    x = 47,514.95

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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.