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Finding the Fourth Proportional to 61,997.76, 85,566.24 and 37,812.75

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Solution

The fourth proportional to 61,997.76, 85,566.24 and 37,812.75 is: 52,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,997.76 : 85,566.24 = 37,812.75 : x
  2. Step 2: Convert to fraction form
    61,997.76/85,566.24 = 37,812.75/x
  3. Step 3: Cross multiply
    61,997.76x = 85,566.24 × 37,812.75
  4. Step 4: Simplify right side
    61,997.76x = 3,235,494,841.56
  5. Step 5: Solve for x
    x = 3,235,494,841.56/61,997.76
  6. Step 6: Final answer
    x = 52,187.29

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1.5x scale

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.