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Finding the Fourth Proportional to 2,014.00, 3,021.82 and 887.68

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Solution

The fourth proportional to 2,014.00, 3,021.82 and 887.68 is: 1,331.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.00 : 3,021.82 = 887.68 : x
  2. Step 2: Convert to fraction form
    2,014.00/3,021.82 = 887.68/x
  3. Step 3: Cross multiply
    2,014.00x = 3,021.82 × 887.68
  4. Step 4: Simplify right side
    2,014.00x = 2,682,420.48
  5. Step 5: Solve for x
    x = 2,682,420.48/2,014.00
  6. Step 6: Final answer
    x = 1,331.89

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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.