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Finding the Fourth Proportional to 2,396.22, 3,592.14 and 856.86

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Solution

The fourth proportional to 2,396.22, 3,592.14 and 856.86 is: 1,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.22 : 3,592.14 = 856.86 : x
  2. Step 2: Convert to fraction form
    2,396.22/3,592.14 = 856.86/x
  3. Step 3: Cross multiply
    2,396.22x = 3,592.14 × 856.86
  4. Step 4: Simplify right side
    2,396.22x = 3,077,961.08
  5. Step 5: Solve for x
    x = 3,077,961.08/2,396.22
  6. Step 6: Final answer
    x = 1,284.51

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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.