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Finding the Fourth Proportional to 1,518.47, 2,096.40 and 995.41

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Solution

The fourth proportional to 1,518.47, 2,096.40 and 995.41 is: 1,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.47 : 2,096.40 = 995.41 : x
  2. Step 2: Convert to fraction form
    1,518.47/2,096.40 = 995.41/x
  3. Step 3: Cross multiply
    1,518.47x = 2,096.40 × 995.41
  4. Step 4: Simplify right side
    1,518.47x = 2,086,778.28
  5. Step 5: Solve for x
    x = 2,086,778.28/1,518.47
  6. Step 6: Final answer
    x = 1,374.26

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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.