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Finding the Fourth Proportional to 3,975.99, 5,961.95 and 1,508.93

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Solution

The fourth proportional to 3,975.99, 5,961.95 and 1,508.93 is: 2,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.99 : 5,961.95 = 1,508.93 : x
  2. Step 2: Convert to fraction form
    3,975.99/5,961.95 = 1,508.93/x
  3. Step 3: Cross multiply
    3,975.99x = 5,961.95 × 1,508.93
  4. Step 4: Simplify right side
    3,975.99x = 8,996,165.21
  5. Step 5: Solve for x
    x = 8,996,165.21/3,975.99
  6. Step 6: Final answer
    x = 2,262.62

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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.