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Finding the Fourth Proportional to 7,168.26, 10,753 and 1,974.12

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Solution

The fourth proportional to 7,168.26, 10,753 and 1,974.12 is: 2,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.26 : 10,753 = 1,974.12 : x
  2. Step 2: Convert to fraction form
    7,168.26/10,753 = 1,974.12/x
  3. Step 3: Cross multiply
    7,168.26x = 10,753 × 1,974.12
  4. Step 4: Simplify right side
    7,168.26x = 21,227,712.36
  5. Step 5: Solve for x
    x = 21,227,712.36/7,168.26
  6. Step 6: Final answer
    x = 2,961.35

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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.