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Finding the Fourth Proportional to 8,365.81, 11,544.81 and 4,639.81

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Solution

The fourth proportional to 8,365.81, 11,544.81 and 4,639.81 is: 6,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.81 : 11,544.81 = 4,639.81 : x
  2. Step 2: Convert to fraction form
    8,365.81/11,544.81 = 4,639.81/x
  3. Step 3: Cross multiply
    8,365.81x = 11,544.81 × 4,639.81
  4. Step 4: Simplify right side
    8,365.81x = 53,565,724.89
  5. Step 5: Solve for x
    x = 53,565,724.89/8,365.81
  6. Step 6: Final answer
    x = 6,402.93

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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.