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Finding the Fourth Proportional to 33,348.95, 50,019.74 and 8,389.01

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Solution

The fourth proportional to 33,348.95, 50,019.74 and 8,389.01 is: 12,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,348.95 : 50,019.74 = 8,389.01 : x
  2. Step 2: Convert to fraction form
    33,348.95/50,019.74 = 8,389.01/x
  3. Step 3: Cross multiply
    33,348.95x = 50,019.74 × 8,389.01
  4. Step 4: Simplify right side
    33,348.95x = 419,616,099.06
  5. Step 5: Solve for x
    x = 419,616,099.06/33,348.95
  6. Step 6: Final answer
    x = 12,582.59

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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.