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Finding the Fourth Proportional to 26,910, 40,373.66 and 8,193.66

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Solution

The fourth proportional to 26,910, 40,373.66 and 8,193.66 is: 12,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910 : 40,373.66 = 8,193.66 : x
  2. Step 2: Convert to fraction form
    26,910/40,373.66 = 8,193.66/x
  3. Step 3: Cross multiply
    26,910x = 40,373.66 × 8,193.66
  4. Step 4: Simplify right side
    26,910x = 330,808,002.03
  5. Step 5: Solve for x
    x = 330,808,002.03/26,910
  6. Step 6: Final answer
    x = 12,293.13

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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.