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Finding the Fourth Proportional to 1,801.22, 2,485.68 and 1,015.26

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Solution

The fourth proportional to 1,801.22, 2,485.68 and 1,015.26 is: 1,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.22 : 2,485.68 = 1,015.26 : x
  2. Step 2: Convert to fraction form
    1,801.22/2,485.68 = 1,015.26/x
  3. Step 3: Cross multiply
    1,801.22x = 2,485.68 × 1,015.26
  4. Step 4: Simplify right side
    1,801.22x = 2,523,611.48
  5. Step 5: Solve for x
    x = 2,523,611.48/1,801.22
  6. Step 6: Final answer
    x = 1,401.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.