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Finding the Fourth Proportional to 26,412, 36,450.18 and 15,234

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Solution

The fourth proportional to 26,412, 36,450.18 and 15,234 is: 21,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412 : 36,450.18 = 15,234 : x
  2. Step 2: Convert to fraction form
    26,412/36,450.18 = 15,234/x
  3. Step 3: Cross multiply
    26,412x = 36,450.18 × 15,234
  4. Step 4: Simplify right side
    26,412x = 555,282,042.12
  5. Step 5: Solve for x
    x = 555,282,042.12/26,412
  6. Step 6: Final answer
    x = 21,023.85

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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.