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Finding the Fourth Proportional to 2,663.84, 3,996.58 and 1,366.22

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Solution

The fourth proportional to 2,663.84, 3,996.58 and 1,366.22 is: 2,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.84 : 3,996.58 = 1,366.22 : x
  2. Step 2: Convert to fraction form
    2,663.84/3,996.58 = 1,366.22/x
  3. Step 3: Cross multiply
    2,663.84x = 3,996.58 × 1,366.22
  4. Step 4: Simplify right side
    2,663.84x = 5,460,207.53
  5. Step 5: Solve for x
    x = 5,460,207.53/2,663.84
  6. Step 6: Final answer
    x = 2,049.75

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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.