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Finding the Fourth Proportional to 33,172.68, 49,722.53 and 14,430.90

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Solution

The fourth proportional to 33,172.68, 49,722.53 and 14,430.90 is: 21,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.68 : 49,722.53 = 14,430.90 : x
  2. Step 2: Convert to fraction form
    33,172.68/49,722.53 = 14,430.90/x
  3. Step 3: Cross multiply
    33,172.68x = 49,722.53 × 14,430.90
  4. Step 4: Simplify right side
    33,172.68x = 717,540,786.02
  5. Step 5: Solve for x
    x = 717,540,786.02/33,172.68
  6. Step 6: Final answer
    x = 21,630.47

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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.