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Finding the Fourth Proportional to 1,322.46, 1,824.68 and 733

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Solution

The fourth proportional to 1,322.46, 1,824.68 and 733 is: 1,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.46 : 1,824.68 = 733 : x
  2. Step 2: Convert to fraction form
    1,322.46/1,824.68 = 733/x
  3. Step 3: Cross multiply
    1,322.46x = 1,824.68 × 733
  4. Step 4: Simplify right side
    1,322.46x = 1,337,490.44
  5. Step 5: Solve for x
    x = 1,337,490.44/1,322.46
  6. Step 6: Final answer
    x = 1,011.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.