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Finding the Fourth Proportional to 3,935.03, 5,905.10 and 3,675.68

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Solution

The fourth proportional to 3,935.03, 5,905.10 and 3,675.68 is: 5,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.03 : 5,905.10 = 3,675.68 : x
  2. Step 2: Convert to fraction form
    3,935.03/5,905.10 = 3,675.68/x
  3. Step 3: Cross multiply
    3,935.03x = 5,905.10 × 3,675.68
  4. Step 4: Simplify right side
    3,935.03x = 21,705,259.78
  5. Step 5: Solve for x
    x = 21,705,259.78/3,935.03
  6. Step 6: Final answer
    x = 5,515.91

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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.