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Finding the Fourth Proportional to 2,299.88, 3,450.35 and 760.88

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Solution

The fourth proportional to 2,299.88, 3,450.35 and 760.88 is: 1,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.88 : 3,450.35 = 760.88 : x
  2. Step 2: Convert to fraction form
    2,299.88/3,450.35 = 760.88/x
  3. Step 3: Cross multiply
    2,299.88x = 3,450.35 × 760.88
  4. Step 4: Simplify right side
    2,299.88x = 2,625,286.96
  5. Step 5: Solve for x
    x = 2,625,286.96/2,299.88
  6. Step 6: Final answer
    x = 1,141.49

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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.