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Finding the Fourth Proportional to 16,292.88, 22,484.04 and 9,219.24

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Solution

The fourth proportional to 16,292.88, 22,484.04 and 9,219.24 is: 12,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,292.88 : 22,484.04 = 9,219.24 : x
  2. Step 2: Convert to fraction form
    16,292.88/22,484.04 = 9,219.24/x
  3. Step 3: Cross multiply
    16,292.88x = 22,484.04 × 9,219.24
  4. Step 4: Simplify right side
    16,292.88x = 207,285,760.93
  5. Step 5: Solve for x
    x = 207,285,760.93/16,292.88
  6. Step 6: Final answer
    x = 12,722.48

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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.