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Finding the Fourth Proportional to 3,374.01, 5,061 and 908.62

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Solution

The fourth proportional to 3,374.01, 5,061 and 908.62 is: 1,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.01 : 5,061 = 908.62 : x
  2. Step 2: Convert to fraction form
    3,374.01/5,061 = 908.62/x
  3. Step 3: Cross multiply
    3,374.01x = 5,061 × 908.62
  4. Step 4: Simplify right side
    3,374.01x = 4,598,525.82
  5. Step 5: Solve for x
    x = 4,598,525.82/3,374.01
  6. Step 6: Final answer
    x = 1,362.93

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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.