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Finding the Fourth Proportional to 13,226.52, 18,252.55 and 7,258.29

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Solution

The fourth proportional to 13,226.52, 18,252.55 and 7,258.29 is: 10,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.52 : 18,252.55 = 7,258.29 : x
  2. Step 2: Convert to fraction form
    13,226.52/18,252.55 = 7,258.29/x
  3. Step 3: Cross multiply
    13,226.52x = 18,252.55 × 7,258.29
  4. Step 4: Simplify right side
    13,226.52x = 132,482,324.02
  5. Step 5: Solve for x
    x = 132,482,324.02/13,226.52
  6. Step 6: Final answer
    x = 10,016.41

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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.