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Finding the Fourth Proportional to 17,483.81, 24,120 and 11,816.51

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Solution

The fourth proportional to 17,483.81, 24,120 and 11,816.51 is: 16,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,483.81 : 24,120 = 11,816.51 : x
  2. Step 2: Convert to fraction form
    17,483.81/24,120 = 11,816.51/x
  3. Step 3: Cross multiply
    17,483.81x = 24,120 × 11,816.51
  4. Step 4: Simplify right side
    17,483.81x = 285,014,100.60
  5. Step 5: Solve for x
    x = 285,014,100.60/17,483.81
  6. Step 6: Final answer
    x = 16,301.61

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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.