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Finding the Fourth Proportional to 22,055.73, 30,438.45 and 12,495.54

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Solution

The fourth proportional to 22,055.73, 30,438.45 and 12,495.54 is: 17,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.73 : 30,438.45 = 12,495.54 : x
  2. Step 2: Convert to fraction form
    22,055.73/30,438.45 = 12,495.54/x
  3. Step 3: Cross multiply
    22,055.73x = 30,438.45 × 12,495.54
  4. Step 4: Simplify right side
    22,055.73x = 380,344,869.51
  5. Step 5: Solve for x
    x = 380,344,869.51/22,055.73
  6. Step 6: Final answer
    x = 17,244.72

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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.