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Finding the Fourth Proportional to 3,253.92, 4,466.91 and 2,991.48

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Solution

The fourth proportional to 3,253.92, 4,466.91 and 2,991.48 is: 4,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.92 : 4,466.91 = 2,991.48 : x
  2. Step 2: Convert to fraction form
    3,253.92/4,466.91 = 2,991.48/x
  3. Step 3: Cross multiply
    3,253.92x = 4,466.91 × 2,991.48
  4. Step 4: Simplify right side
    3,253.92x = 13,362,671.93
  5. Step 5: Solve for x
    x = 13,362,671.93/3,253.92
  6. Step 6: Final answer
    x = 4,106.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.