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Finding the Fourth Proportional to 3,965.99, 5,948.73 and 1,774.13

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Solution

The fourth proportional to 3,965.99, 5,948.73 and 1,774.13 is: 2,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.99 : 5,948.73 = 1,774.13 : x
  2. Step 2: Convert to fraction form
    3,965.99/5,948.73 = 1,774.13/x
  3. Step 3: Cross multiply
    3,965.99x = 5,948.73 × 1,774.13
  4. Step 4: Simplify right side
    3,965.99x = 10,553,790.61
  5. Step 5: Solve for x
    x = 10,553,790.61/3,965.99
  6. Step 6: Final answer
    x = 2,661.08

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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.