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Finding the Fourth Proportional to 3,606.39, 4,976.79 and 1,950.39

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Solution

The fourth proportional to 3,606.39, 4,976.79 and 1,950.39 is: 2,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.39 : 4,976.79 = 1,950.39 : x
  2. Step 2: Convert to fraction form
    3,606.39/4,976.79 = 1,950.39/x
  3. Step 3: Cross multiply
    3,606.39x = 4,976.79 × 1,950.39
  4. Step 4: Simplify right side
    3,606.39x = 9,706,681.45
  5. Step 5: Solve for x
    x = 9,706,681.45/3,606.39
  6. Step 6: Final answer
    x = 2,691.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.