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Finding the Fourth Proportional to 33,303, 49,954.50 and 8,679

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Solution

The fourth proportional to 33,303, 49,954.50 and 8,679 is: 13,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,303 : 49,954.50 = 8,679 : x
  2. Step 2: Convert to fraction form
    33,303/49,954.50 = 8,679/x
  3. Step 3: Cross multiply
    33,303x = 49,954.50 × 8,679
  4. Step 4: Simplify right side
    33,303x = 433,555,105.50
  5. Step 5: Solve for x
    x = 433,555,105.50/33,303
  6. Step 6: Final answer
    x = 13,018.50

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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.