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Finding the Fourth Proportional to 2,299.08, 3,449.06 and 738.95

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Solution

The fourth proportional to 2,299.08, 3,449.06 and 738.95 is: 1,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.08 : 3,449.06 = 738.95 : x
  2. Step 2: Convert to fraction form
    2,299.08/3,449.06 = 738.95/x
  3. Step 3: Cross multiply
    2,299.08x = 3,449.06 × 738.95
  4. Step 4: Simplify right side
    2,299.08x = 2,548,661.95
  5. Step 5: Solve for x
    x = 2,548,661.95/2,299.08
  6. Step 6: Final answer
    x = 1,108.56

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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.