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Finding the Fourth Proportional to 33,444.36, 50,167.64 and 12,389.72

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Solution

The fourth proportional to 33,444.36, 50,167.64 and 12,389.72 is: 18,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,444.36 : 50,167.64 = 12,389.72 : x
  2. Step 2: Convert to fraction form
    33,444.36/50,167.64 = 12,389.72/x
  3. Step 3: Cross multiply
    33,444.36x = 50,167.64 × 12,389.72
  4. Step 4: Simplify right side
    33,444.36x = 621,562,792.80
  5. Step 5: Solve for x
    x = 621,562,792.80/33,444.36
  6. Step 6: Final answer
    x = 18,584.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.