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Finding the Fourth Proportional to 2,335.22, 3,222.09 and 1,706.09

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Solution

The fourth proportional to 2,335.22, 3,222.09 and 1,706.09 is: 2,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.22 : 3,222.09 = 1,706.09 : x
  2. Step 2: Convert to fraction form
    2,335.22/3,222.09 = 1,706.09/x
  3. Step 3: Cross multiply
    2,335.22x = 3,222.09 × 1,706.09
  4. Step 4: Simplify right side
    2,335.22x = 5,497,175.53
  5. Step 5: Solve for x
    x = 5,497,175.53/2,335.22
  6. Step 6: Final answer
    x = 2,354.03

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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.