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Finding the Fourth Proportional to 4,880.03, 6,734.42 and 2,641.94

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Solution

The fourth proportional to 4,880.03, 6,734.42 and 2,641.94 is: 3,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.03 : 6,734.42 = 2,641.94 : x
  2. Step 2: Convert to fraction form
    4,880.03/6,734.42 = 2,641.94/x
  3. Step 3: Cross multiply
    4,880.03x = 6,734.42 × 2,641.94
  4. Step 4: Simplify right side
    4,880.03x = 17,791,921.85
  5. Step 5: Solve for x
    x = 17,791,921.85/4,880.03
  6. Step 6: Final answer
    x = 3,645.87

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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.