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Finding the Fourth Proportional to 17,442.72, 26,164.68 and 6,914.73

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Solution

The fourth proportional to 17,442.72, 26,164.68 and 6,914.73 is: 10,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,442.72 : 26,164.68 = 6,914.73 : x
  2. Step 2: Convert to fraction form
    17,442.72/26,164.68 = 6,914.73/x
  3. Step 3: Cross multiply
    17,442.72x = 26,164.68 × 6,914.73
  4. Step 4: Simplify right side
    17,442.72x = 180,921,697.74
  5. Step 5: Solve for x
    x = 180,921,697.74/17,442.72
  6. Step 6: Final answer
    x = 10,372.33

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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.