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Finding the Fourth Proportional to 62,172.99, 85,795.67 and 35,311.97

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Solution

The fourth proportional to 62,172.99, 85,795.67 and 35,311.97 is: 48,728.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,172.99 : 85,795.67 = 35,311.97 : x
  2. Step 2: Convert to fraction form
    62,172.99/85,795.67 = 35,311.97/x
  3. Step 3: Cross multiply
    62,172.99x = 85,795.67 × 35,311.97
  4. Step 4: Simplify right side
    62,172.99x = 3,029,614,427.94
  5. Step 5: Solve for x
    x = 3,029,614,427.94/62,172.99
  6. Step 6: Final answer
    x = 48,728.79

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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.