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Finding the Fourth Proportional to 61,793.01, 92,717.20 and 28,495.22

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Solution

The fourth proportional to 61,793.01, 92,717.20 and 28,495.22 is: 42,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,793.01 : 92,717.20 = 28,495.22 : x
  2. Step 2: Convert to fraction form
    61,793.01/92,717.20 = 28,495.22/x
  3. Step 3: Cross multiply
    61,793.01x = 92,717.20 × 28,495.22
  4. Step 4: Simplify right side
    61,793.01x = 2,641,997,165.56
  5. Step 5: Solve for x
    x = 2,641,997,165.56/61,793.01
  6. Step 6: Final answer
    x = 42,755.60

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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.