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Finding the Fourth Proportional to 33,300.60, 49,975.54 and 15,770.48

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Solution

The fourth proportional to 33,300.60, 49,975.54 and 15,770.48 is: 23,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,300.60 : 49,975.54 = 15,770.48 : x
  2. Step 2: Convert to fraction form
    33,300.60/49,975.54 = 15,770.48/x
  3. Step 3: Cross multiply
    33,300.60x = 49,975.54 × 15,770.48
  4. Step 4: Simplify right side
    33,300.60x = 788,138,254.06
  5. Step 5: Solve for x
    x = 788,138,254.06/33,300.60
  6. Step 6: Final answer
    x = 23,667.39

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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.