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Finding the Fourth Proportional to 61,060.95, 91,591.43 and 21,622.05

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Solution

The fourth proportional to 61,060.95, 91,591.43 and 21,622.05 is: 32,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,060.95 : 91,591.43 = 21,622.05 : x
  2. Step 2: Convert to fraction form
    61,060.95/91,591.43 = 21,622.05/x
  3. Step 3: Cross multiply
    61,060.95x = 91,591.43 × 21,622.05
  4. Step 4: Simplify right side
    61,060.95x = 1,980,394,370.92
  5. Step 5: Solve for x
    x = 1,980,394,370.92/61,060.95
  6. Step 6: Final answer
    x = 32,433.08

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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.