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Finding the Fourth Proportional to 7,168.48, 9,893.52 and 4,025.44

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Solution

The fourth proportional to 7,168.48, 9,893.52 and 4,025.44 is: 5,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.48 : 9,893.52 = 4,025.44 : x
  2. Step 2: Convert to fraction form
    7,168.48/9,893.52 = 4,025.44/x
  3. Step 3: Cross multiply
    7,168.48x = 9,893.52 × 4,025.44
  4. Step 4: Simplify right side
    7,168.48x = 39,825,771.15
  5. Step 5: Solve for x
    x = 39,825,771.15/7,168.48
  6. Step 6: Final answer
    x = 5,555.68

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1.5x scale

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.