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Finding the Fourth Proportional to 3,127.26, 4,690.93 and 936.01

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Solution

The fourth proportional to 3,127.26, 4,690.93 and 936.01 is: 1,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.26 : 4,690.93 = 936.01 : x
  2. Step 2: Convert to fraction form
    3,127.26/4,690.93 = 936.01/x
  3. Step 3: Cross multiply
    3,127.26x = 4,690.93 × 936.01
  4. Step 4: Simplify right side
    3,127.26x = 4,390,757.39
  5. Step 5: Solve for x
    x = 4,390,757.39/3,127.26
  6. Step 6: Final answer
    x = 1,404.03

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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.