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Finding the Fourth Proportional to 61,777.92, 92,677.82 and 22,390.05

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Solution

The fourth proportional to 61,777.92, 92,677.82 and 22,390.05 is: 33,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,777.92 : 92,677.82 = 22,390.05 : x
  2. Step 2: Convert to fraction form
    61,777.92/92,677.82 = 22,390.05/x
  3. Step 3: Cross multiply
    61,777.92x = 92,677.82 × 22,390.05
  4. Step 4: Simplify right side
    61,777.92x = 2,075,061,023.69
  5. Step 5: Solve for x
    x = 2,075,061,023.69/61,777.92
  6. Step 6: Final answer
    x = 33,589.04

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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.