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Finding the Fourth Proportional to 3,701, 5,103.60 and 2,442.80

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Solution

The fourth proportional to 3,701, 5,103.60 and 2,442.80 is: 3,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701 : 5,103.60 = 2,442.80 : x
  2. Step 2: Convert to fraction form
    3,701/5,103.60 = 2,442.80/x
  3. Step 3: Cross multiply
    3,701x = 5,103.60 × 2,442.80
  4. Step 4: Simplify right side
    3,701x = 12,467,074.08
  5. Step 5: Solve for x
    x = 12,467,074.08/3,701
  6. Step 6: Final answer
    x = 3,368.57

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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.