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Finding the Fourth Proportional to 2,224.06, 3,335.12 and 836.42

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Solution

The fourth proportional to 2,224.06, 3,335.12 and 836.42 is: 1,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.06 : 3,335.12 = 836.42 : x
  2. Step 2: Convert to fraction form
    2,224.06/3,335.12 = 836.42/x
  3. Step 3: Cross multiply
    2,224.06x = 3,335.12 × 836.42
  4. Step 4: Simplify right side
    2,224.06x = 2,789,565.23
  5. Step 5: Solve for x
    x = 2,789,565.23/2,224.06
  6. Step 6: Final answer
    x = 1,254.27

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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.