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Finding the Fourth Proportional to 12,555.97, 18,811 and 5,880.22

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Solution

The fourth proportional to 12,555.97, 18,811 and 5,880.22 is: 8,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.97 : 18,811 = 5,880.22 : x
  2. Step 2: Convert to fraction form
    12,555.97/18,811 = 5,880.22/x
  3. Step 3: Cross multiply
    12,555.97x = 18,811 × 5,880.22
  4. Step 4: Simplify right side
    12,555.97x = 110,612,818.42
  5. Step 5: Solve for x
    x = 110,612,818.42/12,555.97
  6. Step 6: Final answer
    x = 8,809.58

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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.