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Finding the Fourth Proportional to 2,450.88, 3,676.55 and 807.03

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Solution

The fourth proportional to 2,450.88, 3,676.55 and 807.03 is: 1,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.88 : 3,676.55 = 807.03 : x
  2. Step 2: Convert to fraction form
    2,450.88/3,676.55 = 807.03/x
  3. Step 3: Cross multiply
    2,450.88x = 3,676.55 × 807.03
  4. Step 4: Simplify right side
    2,450.88x = 2,967,082.11
  5. Step 5: Solve for x
    x = 2,967,082.11/2,450.88
  6. Step 6: Final answer
    x = 1,210.62

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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.