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Finding the Fourth Proportional to 16,381.37, 22,606.29 and 9,307.80

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Solution

The fourth proportional to 16,381.37, 22,606.29 and 9,307.80 is: 12,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381.37 : 22,606.29 = 9,307.80 : x
  2. Step 2: Convert to fraction form
    16,381.37/22,606.29 = 9,307.80/x
  3. Step 3: Cross multiply
    16,381.37x = 22,606.29 × 9,307.80
  4. Step 4: Simplify right side
    16,381.37x = 210,414,826.06
  5. Step 5: Solve for x
    x = 210,414,826.06/16,381.37
  6. Step 6: Final answer
    x = 12,844.76

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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.