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Finding the Fourth Proportional to 3,798.39, 5,696.86 and 1,608.66

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Solution

The fourth proportional to 3,798.39, 5,696.86 and 1,608.66 is: 2,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.39 : 5,696.86 = 1,608.66 : x
  2. Step 2: Convert to fraction form
    3,798.39/5,696.86 = 1,608.66/x
  3. Step 3: Cross multiply
    3,798.39x = 5,696.86 × 1,608.66
  4. Step 4: Simplify right side
    3,798.39x = 9,164,291.46
  5. Step 5: Solve for x
    x = 9,164,291.46/3,798.39
  6. Step 6: Final answer
    x = 2,412.68

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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.