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Finding the Fourth Proportional to 13,069.33, 18,033.71 and 7,403.76

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Solution

The fourth proportional to 13,069.33, 18,033.71 and 7,403.76 is: 10,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.33 : 18,033.71 = 7,403.76 : x
  2. Step 2: Convert to fraction form
    13,069.33/18,033.71 = 7,403.76/x
  3. Step 3: Cross multiply
    13,069.33x = 18,033.71 × 7,403.76
  4. Step 4: Simplify right side
    13,069.33x = 133,517,223.73
  5. Step 5: Solve for x
    x = 133,517,223.73/13,069.33
  6. Step 6: Final answer
    x = 10,216.07

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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.