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Finding the Fourth Proportional to 16,488.96, 22,754.79 and 8,935.35

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Solution

The fourth proportional to 16,488.96, 22,754.79 and 8,935.35 is: 12,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.96 : 22,754.79 = 8,935.35 : x
  2. Step 2: Convert to fraction form
    16,488.96/22,754.79 = 8,935.35/x
  3. Step 3: Cross multiply
    16,488.96x = 22,754.79 × 8,935.35
  4. Step 4: Simplify right side
    16,488.96x = 203,322,012.83
  5. Step 5: Solve for x
    x = 203,322,012.83/16,488.96
  6. Step 6: Final answer
    x = 12,330.80

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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.