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Finding the Fourth Proportional to 4,558.68, 6,841.35 and 2,919.24

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Solution

The fourth proportional to 4,558.68, 6,841.35 and 2,919.24 is: 4,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558.68 : 6,841.35 = 2,919.24 : x
  2. Step 2: Convert to fraction form
    4,558.68/6,841.35 = 2,919.24/x
  3. Step 3: Cross multiply
    4,558.68x = 6,841.35 × 2,919.24
  4. Step 4: Simplify right side
    4,558.68x = 19,971,542.57
  5. Step 5: Solve for x
    x = 19,971,542.57/4,558.68
  6. Step 6: Final answer
    x = 4,380.99

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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.