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Finding the Fourth Proportional to 3,497.55, 4,822.61 and 2,611.86

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Solution

The fourth proportional to 3,497.55, 4,822.61 and 2,611.86 is: 3,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.55 : 4,822.61 = 2,611.86 : x
  2. Step 2: Convert to fraction form
    3,497.55/4,822.61 = 2,611.86/x
  3. Step 3: Cross multiply
    3,497.55x = 4,822.61 × 2,611.86
  4. Step 4: Simplify right side
    3,497.55x = 12,595,982.15
  5. Step 5: Solve for x
    x = 12,595,982.15/3,497.55
  6. Step 6: Final answer
    x = 3,601.37

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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.