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Finding the Fourth Proportional to 2,237.00, 3,355.34 and 920.41

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Solution

The fourth proportional to 2,237.00, 3,355.34 and 920.41 is: 1,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.00 : 3,355.34 = 920.41 : x
  2. Step 2: Convert to fraction form
    2,237.00/3,355.34 = 920.41/x
  3. Step 3: Cross multiply
    2,237.00x = 3,355.34 × 920.41
  4. Step 4: Simplify right side
    2,237.00x = 3,088,275.50
  5. Step 5: Solve for x
    x = 3,088,275.50/2,237.00
  6. Step 6: Final answer
    x = 1,380.55

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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.