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Finding the Fourth Proportional to 16,169.82, 22,303.92 and 14,047.21

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Solution

The fourth proportional to 16,169.82, 22,303.92 and 14,047.21 is: 19,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,169.82 : 22,303.92 = 14,047.21 : x
  2. Step 2: Convert to fraction form
    16,169.82/22,303.92 = 14,047.21/x
  3. Step 3: Cross multiply
    16,169.82x = 22,303.92 × 14,047.21
  4. Step 4: Simplify right side
    16,169.82x = 313,307,848.06
  5. Step 5: Solve for x
    x = 313,307,848.06/16,169.82
  6. Step 6: Final answer
    x = 19,376.09

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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.