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Finding the Fourth Proportional to 2,455.91, 3,683.70 and 995.18

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Solution

The fourth proportional to 2,455.91, 3,683.70 and 995.18 is: 1,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.91 : 3,683.70 = 995.18 : x
  2. Step 2: Convert to fraction form
    2,455.91/3,683.70 = 995.18/x
  3. Step 3: Cross multiply
    2,455.91x = 3,683.70 × 995.18
  4. Step 4: Simplify right side
    2,455.91x = 3,665,926.15
  5. Step 5: Solve for x
    x = 3,665,926.15/2,455.91
  6. Step 6: Final answer
    x = 1,492.70

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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.