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Finding the Fourth Proportional to 14,670.51, 21,996.03 and 5,309.30

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Solution

The fourth proportional to 14,670.51, 21,996.03 and 5,309.30 is: 7,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.51 : 21,996.03 = 5,309.30 : x
  2. Step 2: Convert to fraction form
    14,670.51/21,996.03 = 5,309.30/x
  3. Step 3: Cross multiply
    14,670.51x = 21,996.03 × 5,309.30
  4. Step 4: Simplify right side
    14,670.51x = 116,783,596.98
  5. Step 5: Solve for x
    x = 116,783,596.98/14,670.51
  6. Step 6: Final answer
    x = 7,960.43

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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.