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Finding the Fourth Proportional to 2,440.06, 3,659.18 and 773.99

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Solution

The fourth proportional to 2,440.06, 3,659.18 and 773.99 is: 1,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.06 : 3,659.18 = 773.99 : x
  2. Step 2: Convert to fraction form
    2,440.06/3,659.18 = 773.99/x
  3. Step 3: Cross multiply
    2,440.06x = 3,659.18 × 773.99
  4. Step 4: Simplify right side
    2,440.06x = 2,832,160.28
  5. Step 5: Solve for x
    x = 2,832,160.28/2,440.06
  6. Step 6: Final answer
    x = 1,160.69

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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.