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Finding the Fourth Proportional to 4,372.93, 6,556.74 and 1,968.22

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Solution

The fourth proportional to 4,372.93, 6,556.74 and 1,968.22 is: 2,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.93 : 6,556.74 = 1,968.22 : x
  2. Step 2: Convert to fraction form
    4,372.93/6,556.74 = 1,968.22/x
  3. Step 3: Cross multiply
    4,372.93x = 6,556.74 × 1,968.22
  4. Step 4: Simplify right side
    4,372.93x = 12,905,107.62
  5. Step 5: Solve for x
    x = 12,905,107.62/4,372.93
  6. Step 6: Final answer
    x = 2,951.13

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1.5x scale

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.