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Finding the Fourth Proportional to 1,162.15, 1,741.62 and 902.44

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Solution

The fourth proportional to 1,162.15, 1,741.62 and 902.44 is: 1,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.15 : 1,741.62 = 902.44 : x
  2. Step 2: Convert to fraction form
    1,162.15/1,741.62 = 902.44/x
  3. Step 3: Cross multiply
    1,162.15x = 1,741.62 × 902.44
  4. Step 4: Simplify right side
    1,162.15x = 1,571,703.20
  5. Step 5: Solve for x
    x = 1,571,703.20/1,162.15
  6. Step 6: Final answer
    x = 1,352.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.