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Finding the Fourth Proportional to 14,302.98, 19,732.41 and 8,636.22

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Solution

The fourth proportional to 14,302.98, 19,732.41 and 8,636.22 is: 11,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.98 : 19,732.41 = 8,636.22 : x
  2. Step 2: Convert to fraction form
    14,302.98/19,732.41 = 8,636.22/x
  3. Step 3: Cross multiply
    14,302.98x = 19,732.41 × 8,636.22
  4. Step 4: Simplify right side
    14,302.98x = 170,413,433.89
  5. Step 5: Solve for x
    x = 170,413,433.89/14,302.98
  6. Step 6: Final answer
    x = 11,914.54

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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.