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Finding the Fourth Proportional to 2,333.88, 3,220.74 and 1,449.54

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Solution

The fourth proportional to 2,333.88, 3,220.74 and 1,449.54 is: 2,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.88 : 3,220.74 = 1,449.54 : x
  2. Step 2: Convert to fraction form
    2,333.88/3,220.74 = 1,449.54/x
  3. Step 3: Cross multiply
    2,333.88x = 3,220.74 × 1,449.54
  4. Step 4: Simplify right side
    2,333.88x = 4,668,591.46
  5. Step 5: Solve for x
    x = 4,668,591.46/2,333.88
  6. Step 6: Final answer
    x = 2,000.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.