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Finding the Fourth Proportional to 1,400.20, 2,098.26 and 533.52

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Solution

The fourth proportional to 1,400.20, 2,098.26 and 533.52 is: 799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.20 : 2,098.26 = 533.52 : x
  2. Step 2: Convert to fraction form
    1,400.20/2,098.26 = 533.52/x
  3. Step 3: Cross multiply
    1,400.20x = 2,098.26 × 533.52
  4. Step 4: Simplify right side
    1,400.20x = 1,119,463.68
  5. Step 5: Solve for x
    x = 1,119,463.68/1,400.20
  6. Step 6: Final answer
    x = 799.50

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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.