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Finding the Fourth Proportional to 35,469.36, 48,947.31 and 19,553.49

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Solution

The fourth proportional to 35,469.36, 48,947.31 and 19,553.49 is: 26,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,469.36 : 48,947.31 = 19,553.49 : x
  2. Step 2: Convert to fraction form
    35,469.36/48,947.31 = 19,553.49/x
  3. Step 3: Cross multiply
    35,469.36x = 48,947.31 × 19,553.49
  4. Step 4: Simplify right side
    35,469.36x = 957,090,736.61
  5. Step 5: Solve for x
    x = 957,090,736.61/35,469.36
  6. Step 6: Final answer
    x = 26,983.59

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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.