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Finding the Fourth Proportional to 2,267.88, 3,401.84 and 807.04

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Solution

The fourth proportional to 2,267.88, 3,401.84 and 807.04 is: 1,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.88 : 3,401.84 = 807.04 : x
  2. Step 2: Convert to fraction form
    2,267.88/3,401.84 = 807.04/x
  3. Step 3: Cross multiply
    2,267.88x = 3,401.84 × 807.04
  4. Step 4: Simplify right side
    2,267.88x = 2,745,420.95
  5. Step 5: Solve for x
    x = 2,745,420.95/2,267.88
  6. Step 6: Final answer
    x = 1,210.57

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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.