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Finding the Fourth Proportional to 6,483.60, 8,950.56 and 3,831.84

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Solution

The fourth proportional to 6,483.60, 8,950.56 and 3,831.84 is: 5,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.60 : 8,950.56 = 3,831.84 : x
  2. Step 2: Convert to fraction form
    6,483.60/8,950.56 = 3,831.84/x
  3. Step 3: Cross multiply
    6,483.60x = 8,950.56 × 3,831.84
  4. Step 4: Simplify right side
    6,483.60x = 34,297,113.83
  5. Step 5: Solve for x
    x = 34,297,113.83/6,483.60
  6. Step 6: Final answer
    x = 5,289.83

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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.