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Finding the Fourth Proportional to 12,032.87, 18,051.73 and 4,247.15

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Solution

The fourth proportional to 12,032.87, 18,051.73 and 4,247.15 is: 6,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,032.87 : 18,051.73 = 4,247.15 : x
  2. Step 2: Convert to fraction form
    12,032.87/18,051.73 = 4,247.15/x
  3. Step 3: Cross multiply
    12,032.87x = 18,051.73 × 4,247.15
  4. Step 4: Simplify right side
    12,032.87x = 76,668,304.19
  5. Step 5: Solve for x
    x = 76,668,304.19/12,032.87
  6. Step 6: Final answer
    x = 6,371.58

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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.