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Finding the Fourth Proportional to 53,469.52, 73,737.44 and 39,887.56

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Solution

The fourth proportional to 53,469.52, 73,737.44 and 39,887.56 is: 55,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,469.52 : 73,737.44 = 39,887.56 : x
  2. Step 2: Convert to fraction form
    53,469.52/73,737.44 = 39,887.56/x
  3. Step 3: Cross multiply
    53,469.52x = 73,737.44 × 39,887.56
  4. Step 4: Simplify right side
    53,469.52x = 2,941,206,562.25
  5. Step 5: Solve for x
    x = 2,941,206,562.25/53,469.52
  6. Step 6: Final answer
    x = 55,007.16

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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.