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Finding the Fourth Proportional to 3,491.54, 4,822.60 and 2,611.26

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Solution

The fourth proportional to 3,491.54, 4,822.60 and 2,611.26 is: 3,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.54 : 4,822.60 = 2,611.26 : x
  2. Step 2: Convert to fraction form
    3,491.54/4,822.60 = 2,611.26/x
  3. Step 3: Cross multiply
    3,491.54x = 4,822.60 × 2,611.26
  4. Step 4: Simplify right side
    3,491.54x = 12,593,062.48
  5. Step 5: Solve for x
    x = 12,593,062.48/3,491.54
  6. Step 6: Final answer
    x = 3,606.74

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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.