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Finding the Fourth Proportional to 3,592.72, 4,947.24 and 3,331.36

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Solution

The fourth proportional to 3,592.72, 4,947.24 and 3,331.36 is: 4,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.72 : 4,947.24 = 3,331.36 : x
  2. Step 2: Convert to fraction form
    3,592.72/4,947.24 = 3,331.36/x
  3. Step 3: Cross multiply
    3,592.72x = 4,947.24 × 3,331.36
  4. Step 4: Simplify right side
    3,592.72x = 16,481,037.45
  5. Step 5: Solve for x
    x = 16,481,037.45/3,592.72
  6. Step 6: Final answer
    x = 4,587.34

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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.