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Finding the Fourth Proportional to 62,819.95, 94,239.26 and 20,692.25

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Solution

The fourth proportional to 62,819.95, 94,239.26 and 20,692.25 is: 31,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,819.95 : 94,239.26 = 20,692.25 : x
  2. Step 2: Convert to fraction form
    62,819.95/94,239.26 = 20,692.25/x
  3. Step 3: Cross multiply
    62,819.95x = 94,239.26 × 20,692.25
  4. Step 4: Simplify right side
    62,819.95x = 1,950,022,327.74
  5. Step 5: Solve for x
    x = 1,950,022,327.74/62,819.95
  6. Step 6: Final answer
    x = 31,041.45

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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.