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Finding the Fourth Proportional to 3,355.88, 5,033.24 and 890.83

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Solution

The fourth proportional to 3,355.88, 5,033.24 and 890.83 is: 1,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.88 : 5,033.24 = 890.83 : x
  2. Step 2: Convert to fraction form
    3,355.88/5,033.24 = 890.83/x
  3. Step 3: Cross multiply
    3,355.88x = 5,033.24 × 890.83
  4. Step 4: Simplify right side
    3,355.88x = 4,483,731.57
  5. Step 5: Solve for x
    x = 4,483,731.57/3,355.88
  6. Step 6: Final answer
    x = 1,336.08

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1.5x scale

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.