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Finding the Fourth Proportional to 9,636.99, 13,297.66 and 5,603.68

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Solution

The fourth proportional to 9,636.99, 13,297.66 and 5,603.68 is: 7,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,636.99 : 13,297.66 = 5,603.68 : x
  2. Step 2: Convert to fraction form
    9,636.99/13,297.66 = 5,603.68/x
  3. Step 3: Cross multiply
    9,636.99x = 13,297.66 × 5,603.68
  4. Step 4: Simplify right side
    9,636.99x = 74,515,831.39
  5. Step 5: Solve for x
    x = 74,515,831.39/9,636.99
  6. Step 6: Final answer
    x = 7,732.27

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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.