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Finding the Fourth Proportional to 5,297.14, 7,945.63 and 1,834.42

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Solution

The fourth proportional to 5,297.14, 7,945.63 and 1,834.42 is: 2,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.14 : 7,945.63 = 1,834.42 : x
  2. Step 2: Convert to fraction form
    5,297.14/7,945.63 = 1,834.42/x
  3. Step 3: Cross multiply
    5,297.14x = 7,945.63 × 1,834.42
  4. Step 4: Simplify right side
    5,297.14x = 14,575,622.58
  5. Step 5: Solve for x
    x = 14,575,622.58/5,297.14
  6. Step 6: Final answer
    x = 2,751.60

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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.