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Finding the Fourth Proportional to 64,616.97, 89,171.91 and 35,937.03

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Solution

The fourth proportional to 64,616.97, 89,171.91 and 35,937.03 is: 49,593.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,616.97 : 89,171.91 = 35,937.03 : x
  2. Step 2: Convert to fraction form
    64,616.97/89,171.91 = 35,937.03/x
  3. Step 3: Cross multiply
    64,616.97x = 89,171.91 × 35,937.03
  4. Step 4: Simplify right side
    64,616.97x = 3,204,573,604.83
  5. Step 5: Solve for x
    x = 3,204,573,604.83/64,616.97
  6. Step 6: Final answer
    x = 49,593.37

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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.