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Finding the Fourth Proportional to 1,882.58, 2,825.22 and 1,394.16

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Solution

The fourth proportional to 1,882.58, 2,825.22 and 1,394.16 is: 2,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.58 : 2,825.22 = 1,394.16 : x
  2. Step 2: Convert to fraction form
    1,882.58/2,825.22 = 1,394.16/x
  3. Step 3: Cross multiply
    1,882.58x = 2,825.22 × 1,394.16
  4. Step 4: Simplify right side
    1,882.58x = 3,938,808.72
  5. Step 5: Solve for x
    x = 3,938,808.72/1,882.58
  6. Step 6: Final answer
    x = 2,092.24

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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.