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Finding the Fourth Proportional to 5,013.88, 6,919.24 and 2,745.18

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Solution

The fourth proportional to 5,013.88, 6,919.24 and 2,745.18 is: 3,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.88 : 6,919.24 = 2,745.18 : x
  2. Step 2: Convert to fraction form
    5,013.88/6,919.24 = 2,745.18/x
  3. Step 3: Cross multiply
    5,013.88x = 6,919.24 × 2,745.18
  4. Step 4: Simplify right side
    5,013.88x = 18,994,578.35
  5. Step 5: Solve for x
    x = 18,994,578.35/5,013.88
  6. Step 6: Final answer
    x = 3,788.40

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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.