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Finding the Fourth Proportional to 2,299.10, 3,448.96 and 738.73

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Solution

The fourth proportional to 2,299.10, 3,448.96 and 738.73 is: 1,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.10 : 3,448.96 = 738.73 : x
  2. Step 2: Convert to fraction form
    2,299.10/3,448.96 = 738.73/x
  3. Step 3: Cross multiply
    2,299.10x = 3,448.96 × 738.73
  4. Step 4: Simplify right side
    2,299.10x = 2,547,839.75
  5. Step 5: Solve for x
    x = 2,547,839.75/2,299.10
  6. Step 6: Final answer
    x = 1,108.19

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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.