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Finding the Fourth Proportional to 2,604.66, 3,907.20 and 848.97

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Solution

The fourth proportional to 2,604.66, 3,907.20 and 848.97 is: 1,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,604.66 : 3,907.20 = 848.97 : x
  2. Step 2: Convert to fraction form
    2,604.66/3,907.20 = 848.97/x
  3. Step 3: Cross multiply
    2,604.66x = 3,907.20 × 848.97
  4. Step 4: Simplify right side
    2,604.66x = 3,317,095.58
  5. Step 5: Solve for x
    x = 3,317,095.58/2,604.66
  6. Step 6: Final answer
    x = 1,273.52

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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.