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Finding the Fourth Proportional to 61,943.52, 85,469.44 and 37,728.24

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Solution

The fourth proportional to 61,943.52, 85,469.44 and 37,728.24 is: 52,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,943.52 : 85,469.44 = 37,728.24 : x
  2. Step 2: Convert to fraction form
    61,943.52/85,469.44 = 37,728.24/x
  3. Step 3: Cross multiply
    61,943.52x = 85,469.44 × 37,728.24
  4. Step 4: Simplify right side
    61,943.52x = 3,224,611,544.99
  5. Step 5: Solve for x
    x = 3,224,611,544.99/61,943.52
  6. Step 6: Final answer
    x = 52,057.29

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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.