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Finding the Fourth Proportional to 26,954.60, 40,424.70 and 8,234.60

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Solution

The fourth proportional to 26,954.60, 40,424.70 and 8,234.60 is: 12,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,954.60 : 40,424.70 = 8,234.60 : x
  2. Step 2: Convert to fraction form
    26,954.60/40,424.70 = 8,234.60/x
  3. Step 3: Cross multiply
    26,954.60x = 40,424.70 × 8,234.60
  4. Step 4: Simplify right side
    26,954.60x = 332,881,234.62
  5. Step 5: Solve for x
    x = 332,881,234.62/26,954.60
  6. Step 6: Final answer
    x = 12,349.70

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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.