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Finding the Fourth Proportional to 26,808.21, 40,183.92 and 9,021.93

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Solution

The fourth proportional to 26,808.21, 40,183.92 and 9,021.93 is: 13,523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,808.21 : 40,183.92 = 9,021.93 : x
  2. Step 2: Convert to fraction form
    26,808.21/40,183.92 = 9,021.93/x
  3. Step 3: Cross multiply
    26,808.21x = 40,183.92 × 9,021.93
  4. Step 4: Simplify right side
    26,808.21x = 362,536,513.37
  5. Step 5: Solve for x
    x = 362,536,513.37/26,808.21
  6. Step 6: Final answer
    x = 13,523.34

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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.