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Finding the Fourth Proportional to 7,168.42, 10,734.12 and 4,954.12

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Solution

The fourth proportional to 7,168.42, 10,734.12 and 4,954.12 is: 7,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.42 : 10,734.12 = 4,954.12 : x
  2. Step 2: Convert to fraction form
    7,168.42/10,734.12 = 4,954.12/x
  3. Step 3: Cross multiply
    7,168.42x = 10,734.12 × 4,954.12
  4. Step 4: Simplify right side
    7,168.42x = 53,178,118.57
  5. Step 5: Solve for x
    x = 53,178,118.57/7,168.42
  6. Step 6: Final answer
    x = 7,418.39

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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.