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Finding the Fourth Proportional to 26,662.76, 39,994.54 and 8,893.12

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Solution

The fourth proportional to 26,662.76, 39,994.54 and 8,893.12 is: 13,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.76 : 39,994.54 = 8,893.12 : x
  2. Step 2: Convert to fraction form
    26,662.76/39,994.54 = 8,893.12/x
  3. Step 3: Cross multiply
    26,662.76x = 39,994.54 × 8,893.12
  4. Step 4: Simplify right side
    26,662.76x = 355,676,243.56
  5. Step 5: Solve for x
    x = 355,676,243.56/26,662.76
  6. Step 6: Final answer
    x = 13,339.81

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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.