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Finding the Fourth Proportional to 1,182.21, 1,773.03 and 533.13

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Solution

The fourth proportional to 1,182.21, 1,773.03 and 533.13 is: 799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.21 : 1,773.03 = 533.13 : x
  2. Step 2: Convert to fraction form
    1,182.21/1,773.03 = 533.13/x
  3. Step 3: Cross multiply
    1,182.21x = 1,773.03 × 533.13
  4. Step 4: Simplify right side
    1,182.21x = 945,255.48
  5. Step 5: Solve for x
    x = 945,255.48/1,182.21
  6. Step 6: Final answer
    x = 799.57

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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.