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Finding the Fourth Proportional to 49,769.39, 74,645.45 and 16,937.39

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Solution

The fourth proportional to 49,769.39, 74,645.45 and 16,937.39 is: 25,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,769.39 : 74,645.45 = 16,937.39 : x
  2. Step 2: Convert to fraction form
    49,769.39/74,645.45 = 16,937.39/x
  3. Step 3: Cross multiply
    49,769.39x = 74,645.45 × 16,937.39
  4. Step 4: Simplify right side
    49,769.39x = 1,264,299,013.69
  5. Step 5: Solve for x
    x = 1,264,299,013.69/49,769.39
  6. Step 6: Final answer
    x = 25,403.14

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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.