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Finding the Fourth Proportional to 5,219.60, 7,791.44 and 4,834.13

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Solution

The fourth proportional to 5,219.60, 7,791.44 and 4,834.13 is: 7,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.60 : 7,791.44 = 4,834.13 : x
  2. Step 2: Convert to fraction form
    5,219.60/7,791.44 = 4,834.13/x
  3. Step 3: Cross multiply
    5,219.60x = 7,791.44 × 4,834.13
  4. Step 4: Simplify right side
    5,219.60x = 37,664,770.72
  5. Step 5: Solve for x
    x = 37,664,770.72/5,219.60
  6. Step 6: Final answer
    x = 7,216.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.