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Finding the Fourth Proportional to 2,885.93, 3,982.16 and 1,627.04

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Solution

The fourth proportional to 2,885.93, 3,982.16 and 1,627.04 is: 2,245.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.93 : 3,982.16 = 1,627.04 : x
  2. Step 2: Convert to fraction form
    2,885.93/3,982.16 = 1,627.04/x
  3. Step 3: Cross multiply
    2,885.93x = 3,982.16 × 1,627.04
  4. Step 4: Simplify right side
    2,885.93x = 6,479,125.23
  5. Step 5: Solve for x
    x = 6,479,125.23/2,885.93
  6. Step 6: Final answer
    x = 2,245.07

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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.