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Finding the Fourth Proportional to 8,919.48, 13,369.32 and 4,527.84

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Solution

The fourth proportional to 8,919.48, 13,369.32 and 4,527.84 is: 6,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.48 : 13,369.32 = 4,527.84 : x
  2. Step 2: Convert to fraction form
    8,919.48/13,369.32 = 4,527.84/x
  3. Step 3: Cross multiply
    8,919.48x = 13,369.32 × 4,527.84
  4. Step 4: Simplify right side
    8,919.48x = 60,534,141.87
  5. Step 5: Solve for x
    x = 60,534,141.87/8,919.48
  6. Step 6: Final answer
    x = 6,786.73

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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.