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Finding the Fourth Proportional to 22,115, 33,187.08 and 8,264

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Solution

The fourth proportional to 22,115, 33,187.08 and 8,264 is: 12,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115 : 33,187.08 = 8,264 : x
  2. Step 2: Convert to fraction form
    22,115/33,187.08 = 8,264/x
  3. Step 3: Cross multiply
    22,115x = 33,187.08 × 8,264
  4. Step 4: Simplify right side
    22,115x = 274,258,029.12
  5. Step 5: Solve for x
    x = 274,258,029.12/22,115
  6. Step 6: Final answer
    x = 12,401.45

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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.