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Finding the Fourth Proportional to 61,898.96, 85,414.68 and 35,043.44

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Solution

The fourth proportional to 61,898.96, 85,414.68 and 35,043.44 is: 48,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,898.96 : 85,414.68 = 35,043.44 : x
  2. Step 2: Convert to fraction form
    61,898.96/85,414.68 = 35,043.44/x
  3. Step 3: Cross multiply
    61,898.96x = 85,414.68 × 35,043.44
  4. Step 4: Simplify right side
    61,898.96x = 2,993,224,213.70
  5. Step 5: Solve for x
    x = 2,993,224,213.70/61,898.96
  6. Step 6: Final answer
    x = 48,356.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.