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Finding the Fourth Proportional to 2,369.82, 3,554.75 and 908.63

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Solution

The fourth proportional to 2,369.82, 3,554.75 and 908.63 is: 1,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.82 : 3,554.75 = 908.63 : x
  2. Step 2: Convert to fraction form
    2,369.82/3,554.75 = 908.63/x
  3. Step 3: Cross multiply
    2,369.82x = 3,554.75 × 908.63
  4. Step 4: Simplify right side
    2,369.82x = 3,229,936.99
  5. Step 5: Solve for x
    x = 3,229,936.99/2,369.82
  6. Step 6: Final answer
    x = 1,362.95

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1.5x scale

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.