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Finding the Fourth Proportional to 7,603.68, 11,399.13 and 2,676.54

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Solution

The fourth proportional to 7,603.68, 11,399.13 and 2,676.54 is: 4,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.68 : 11,399.13 = 2,676.54 : x
  2. Step 2: Convert to fraction form
    7,603.68/11,399.13 = 2,676.54/x
  3. Step 3: Cross multiply
    7,603.68x = 11,399.13 × 2,676.54
  4. Step 4: Simplify right side
    7,603.68x = 30,510,227.41
  5. Step 5: Solve for x
    x = 30,510,227.41/7,603.68
  6. Step 6: Final answer
    x = 4,012.56

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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.