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Finding the Fourth Proportional to 16,336.22, 22,540.51 and 9,619.40

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Solution

The fourth proportional to 16,336.22, 22,540.51 and 9,619.40 is: 13,272.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,336.22 : 22,540.51 = 9,619.40 : x
  2. Step 2: Convert to fraction form
    16,336.22/22,540.51 = 9,619.40/x
  3. Step 3: Cross multiply
    16,336.22x = 22,540.51 × 9,619.40
  4. Step 4: Simplify right side
    16,336.22x = 216,826,045.14
  5. Step 5: Solve for x
    x = 216,826,045.14/16,336.22
  6. Step 6: Final answer
    x = 13,272.72

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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.