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Finding the Fourth Proportional to 1,629.34, 2,443.50 and 533.53

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Solution

The fourth proportional to 1,629.34, 2,443.50 and 533.53 is: 800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.34 : 2,443.50 = 533.53 : x
  2. Step 2: Convert to fraction form
    1,629.34/2,443.50 = 533.53/x
  3. Step 3: Cross multiply
    1,629.34x = 2,443.50 × 533.53
  4. Step 4: Simplify right side
    1,629.34x = 1,303,680.56
  5. Step 5: Solve for x
    x = 1,303,680.56/1,629.34
  6. Step 6: Final answer
    x = 800.13

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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.