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Finding the Fourth Proportional to 11,666.84, 16,100.18 and 6,361.94

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Solution

The fourth proportional to 11,666.84, 16,100.18 and 6,361.94 is: 8,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.84 : 16,100.18 = 6,361.94 : x
  2. Step 2: Convert to fraction form
    11,666.84/16,100.18 = 6,361.94/x
  3. Step 3: Cross multiply
    11,666.84x = 16,100.18 × 6,361.94
  4. Step 4: Simplify right side
    11,666.84x = 102,428,379.15
  5. Step 5: Solve for x
    x = 102,428,379.15/11,666.84
  6. Step 6: Final answer
    x = 8,779.44

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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.