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Finding the Fourth Proportional to 2,717.62, 3,722.22 and 2,558.04

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Solution

The fourth proportional to 2,717.62, 3,722.22 and 2,558.04 is: 3,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.62 : 3,722.22 = 2,558.04 : x
  2. Step 2: Convert to fraction form
    2,717.62/3,722.22 = 2,558.04/x
  3. Step 3: Cross multiply
    2,717.62x = 3,722.22 × 2,558.04
  4. Step 4: Simplify right side
    2,717.62x = 9,521,598.23
  5. Step 5: Solve for x
    x = 9,521,598.23/2,717.62
  6. Step 6: Final answer
    x = 3,503.65

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.