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Finding the Fourth Proportional to 2,693.16, 4,039.16 and 844.03

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Solution

The fourth proportional to 2,693.16, 4,039.16 and 844.03 is: 1,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.16 : 4,039.16 = 844.03 : x
  2. Step 2: Convert to fraction form
    2,693.16/4,039.16 = 844.03/x
  3. Step 3: Cross multiply
    2,693.16x = 4,039.16 × 844.03
  4. Step 4: Simplify right side
    2,693.16x = 3,409,172.21
  5. Step 5: Solve for x
    x = 3,409,172.21/2,693.16
  6. Step 6: Final answer
    x = 1,265.86

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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.