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Finding the Fourth Proportional to 3,706.08, 5,581 and 3,224.92

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Solution

The fourth proportional to 3,706.08, 5,581 and 3,224.92 is: 4,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.08 : 5,581 = 3,224.92 : x
  2. Step 2: Convert to fraction form
    3,706.08/5,581 = 3,224.92/x
  3. Step 3: Cross multiply
    3,706.08x = 5,581 × 3,224.92
  4. Step 4: Simplify right side
    3,706.08x = 17,998,278.52
  5. Step 5: Solve for x
    x = 17,998,278.52/3,706.08
  6. Step 6: Final answer
    x = 4,856.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.