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Finding the Fourth Proportional to 16,292.81, 22,484.37 and 9,220.70

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Solution

The fourth proportional to 16,292.81, 22,484.37 and 9,220.70 is: 12,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,292.81 : 22,484.37 = 9,220.70 : x
  2. Step 2: Convert to fraction form
    16,292.81/22,484.37 = 9,220.70/x
  3. Step 3: Cross multiply
    16,292.81x = 22,484.37 × 9,220.70
  4. Step 4: Simplify right side
    16,292.81x = 207,321,518.04
  5. Step 5: Solve for x
    x = 207,321,518.04/16,292.81
  6. Step 6: Final answer
    x = 12,724.73

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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.