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Finding the Fourth Proportional to 1,476.94, 2,213.99 and 552.24

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Solution

The fourth proportional to 1,476.94, 2,213.99 and 552.24 is: 827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.94 : 2,213.99 = 552.24 : x
  2. Step 2: Convert to fraction form
    1,476.94/2,213.99 = 552.24/x
  3. Step 3: Cross multiply
    1,476.94x = 2,213.99 × 552.24
  4. Step 4: Simplify right side
    1,476.94x = 1,222,653.84
  5. Step 5: Solve for x
    x = 1,222,653.84/1,476.94
  6. Step 6: Final answer
    x = 827.83

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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.