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Finding the Fourth Proportional to 26,663.94, 39,994.26 and 7,944.03

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Solution

The fourth proportional to 26,663.94, 39,994.26 and 7,944.03 is: 11,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.94 : 39,994.26 = 7,944.03 : x
  2. Step 2: Convert to fraction form
    26,663.94/39,994.26 = 7,944.03/x
  3. Step 3: Cross multiply
    26,663.94x = 39,994.26 × 7,944.03
  4. Step 4: Simplify right side
    26,663.94x = 317,715,601.27
  5. Step 5: Solve for x
    x = 317,715,601.27/26,663.94
  6. Step 6: Final answer
    x = 11,915.55

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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.