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Finding the Fourth Proportional to 1,236.06, 1,705.32 and 793.80

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Solution

The fourth proportional to 1,236.06, 1,705.32 and 793.80 is: 1,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.06 : 1,705.32 = 793.80 : x
  2. Step 2: Convert to fraction form
    1,236.06/1,705.32 = 793.80/x
  3. Step 3: Cross multiply
    1,236.06x = 1,705.32 × 793.80
  4. Step 4: Simplify right side
    1,236.06x = 1,353,683.02
  5. Step 5: Solve for x
    x = 1,353,683.02/1,236.06
  6. Step 6: Final answer
    x = 1,095.16

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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.