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Finding the Fourth Proportional to 2,062.84, 3,095.40 and 908.56

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Solution

The fourth proportional to 2,062.84, 3,095.40 and 908.56 is: 1,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.84 : 3,095.40 = 908.56 : x
  2. Step 2: Convert to fraction form
    2,062.84/3,095.40 = 908.56/x
  3. Step 3: Cross multiply
    2,062.84x = 3,095.40 × 908.56
  4. Step 4: Simplify right side
    2,062.84x = 2,812,356.62
  5. Step 5: Solve for x
    x = 2,812,356.62/2,062.84
  6. Step 6: Final answer
    x = 1,363.34

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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.