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Finding the Fourth Proportional to 22,064.04, 30,448.80 and 11,992.56

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Solution

The fourth proportional to 22,064.04, 30,448.80 and 11,992.56 is: 16,549.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,064.04 : 30,448.80 = 11,992.56 : x
  2. Step 2: Convert to fraction form
    22,064.04/30,448.80 = 11,992.56/x
  3. Step 3: Cross multiply
    22,064.04x = 30,448.80 × 11,992.56
  4. Step 4: Simplify right side
    22,064.04x = 365,159,060.93
  5. Step 5: Solve for x
    x = 365,159,060.93/22,064.04
  6. Step 6: Final answer
    x = 16,549.96

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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.