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Finding the Fourth Proportional to 1,629.82, 2,443.47 and 533.50

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Solution

The fourth proportional to 1,629.82, 2,443.47 and 533.50 is: 799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.82 : 2,443.47 = 533.50 : x
  2. Step 2: Convert to fraction form
    1,629.82/2,443.47 = 533.50/x
  3. Step 3: Cross multiply
    1,629.82x = 2,443.47 × 533.50
  4. Step 4: Simplify right side
    1,629.82x = 1,303,591.25
  5. Step 5: Solve for x
    x = 1,303,591.25/1,629.82
  6. Step 6: Final answer
    x = 799.84

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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.