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Finding the Fourth Proportional to 2,676.18, 4,013.54 and 801.63

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Solution

The fourth proportional to 2,676.18, 4,013.54 and 801.63 is: 1,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.18 : 4,013.54 = 801.63 : x
  2. Step 2: Convert to fraction form
    2,676.18/4,013.54 = 801.63/x
  3. Step 3: Cross multiply
    2,676.18x = 4,013.54 × 801.63
  4. Step 4: Simplify right side
    2,676.18x = 3,217,374.07
  5. Step 5: Solve for x
    x = 3,217,374.07/2,676.18
  6. Step 6: Final answer
    x = 1,202.23

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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.