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Finding the Fourth Proportional to 26,183, 36,132.54 and 15,005

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Solution

The fourth proportional to 26,183, 36,132.54 and 15,005 is: 20,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,183 : 36,132.54 = 15,005 : x
  2. Step 2: Convert to fraction form
    26,183/36,132.54 = 15,005/x
  3. Step 3: Cross multiply
    26,183x = 36,132.54 × 15,005
  4. Step 4: Simplify right side
    26,183x = 542,168,762.70
  5. Step 5: Solve for x
    x = 542,168,762.70/26,183
  6. Step 6: Final answer
    x = 20,706.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.