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Finding the Fourth Proportional to 1,349.57, 1,862.27 and 995.69

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Solution

The fourth proportional to 1,349.57, 1,862.27 and 995.69 is: 1,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.57 : 1,862.27 = 995.69 : x
  2. Step 2: Convert to fraction form
    1,349.57/1,862.27 = 995.69/x
  3. Step 3: Cross multiply
    1,349.57x = 1,862.27 × 995.69
  4. Step 4: Simplify right side
    1,349.57x = 1,854,234.30
  5. Step 5: Solve for x
    x = 1,854,234.30/1,349.57
  6. Step 6: Final answer
    x = 1,373.94

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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.