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Finding the Fourth Proportional to 2,677.82, 4,017 and 922.59

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Solution

The fourth proportional to 2,677.82, 4,017 and 922.59 is: 1,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.82 : 4,017 = 922.59 : x
  2. Step 2: Convert to fraction form
    2,677.82/4,017 = 922.59/x
  3. Step 3: Cross multiply
    2,677.82x = 4,017 × 922.59
  4. Step 4: Simplify right side
    2,677.82x = 3,706,044.03
  5. Step 5: Solve for x
    x = 3,706,044.03/2,677.82
  6. Step 6: Final answer
    x = 1,383.98

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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.