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Finding the Fourth Proportional to 3,611.52, 5,411.52 and 2,073.60

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Solution

The fourth proportional to 3,611.52, 5,411.52 and 2,073.60 is: 3,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.52 : 5,411.52 = 2,073.60 : x
  2. Step 2: Convert to fraction form
    3,611.52/5,411.52 = 2,073.60/x
  3. Step 3: Cross multiply
    3,611.52x = 5,411.52 × 2,073.60
  4. Step 4: Simplify right side
    3,611.52x = 11,221,327.87
  5. Step 5: Solve for x
    x = 11,221,327.87/3,611.52
  6. Step 6: Final answer
    x = 3,107.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.