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Finding the Fourth Proportional to 1,186.44, 1,637.26 and 662.52

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Solution

The fourth proportional to 1,186.44, 1,637.26 and 662.52 is: 914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186.44 : 1,637.26 = 662.52 : x
  2. Step 2: Convert to fraction form
    1,186.44/1,637.26 = 662.52/x
  3. Step 3: Cross multiply
    1,186.44x = 1,637.26 × 662.52
  4. Step 4: Simplify right side
    1,186.44x = 1,084,717.50
  5. Step 5: Solve for x
    x = 1,084,717.50/1,186.44
  6. Step 6: Final answer
    x = 914.26

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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.