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Finding the Fourth Proportional to 33,572.96, 50,336.72 and 18,792.08

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Solution

The fourth proportional to 33,572.96, 50,336.72 and 18,792.08 is: 28,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,572.96 : 50,336.72 = 18,792.08 : x
  2. Step 2: Convert to fraction form
    33,572.96/50,336.72 = 18,792.08/x
  3. Step 3: Cross multiply
    33,572.96x = 50,336.72 × 18,792.08
  4. Step 4: Simplify right side
    33,572.96x = 945,931,669.18
  5. Step 5: Solve for x
    x = 945,931,669.18/33,572.96
  6. Step 6: Final answer
    x = 28,175.40

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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.