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Finding the Fourth Proportional to 16,071.94, 22,179.06 and 8,998.36

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Solution

The fourth proportional to 16,071.94, 22,179.06 and 8,998.36 is: 12,417.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,071.94 : 22,179.06 = 8,998.36 : x
  2. Step 2: Convert to fraction form
    16,071.94/22,179.06 = 8,998.36/x
  3. Step 3: Cross multiply
    16,071.94x = 22,179.06 × 8,998.36
  4. Step 4: Simplify right side
    16,071.94x = 199,575,166.34
  5. Step 5: Solve for x
    x = 199,575,166.34/16,071.94
  6. Step 6: Final answer
    x = 12,417.62

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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.