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Finding the Fourth Proportional to 11,055, 15,268.86 and 7,322.52

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Solution

The fourth proportional to 11,055, 15,268.86 and 7,322.52 is: 10,113.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055 : 15,268.86 = 7,322.52 : x
  2. Step 2: Convert to fraction form
    11,055/15,268.86 = 7,322.52/x
  3. Step 3: Cross multiply
    11,055x = 15,268.86 × 7,322.52
  4. Step 4: Simplify right side
    11,055x = 111,806,532.73
  5. Step 5: Solve for x
    x = 111,806,532.73/11,055
  6. Step 6: Final answer
    x = 10,113.66

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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.