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Finding the Fourth Proportional to 16,455.50, 22,708.59 and 8,901.83

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Solution

The fourth proportional to 16,455.50, 22,708.59 and 8,901.83 is: 12,284.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.50 : 22,708.59 = 8,901.83 : x
  2. Step 2: Convert to fraction form
    16,455.50/22,708.59 = 8,901.83/x
  3. Step 3: Cross multiply
    16,455.50x = 22,708.59 × 8,901.83
  4. Step 4: Simplify right side
    16,455.50x = 202,148,007.72
  5. Step 5: Solve for x
    x = 202,148,007.72/16,455.50
  6. Step 6: Final answer
    x = 12,284.53

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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.