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Finding the Fourth Proportional to 9,268.92, 12,790.58 and 5,235.75

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Solution

The fourth proportional to 9,268.92, 12,790.58 and 5,235.75 is: 7,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.92 : 12,790.58 = 5,235.75 : x
  2. Step 2: Convert to fraction form
    9,268.92/12,790.58 = 5,235.75/x
  3. Step 3: Cross multiply
    9,268.92x = 12,790.58 × 5,235.75
  4. Step 4: Simplify right side
    9,268.92x = 66,968,253.06
  5. Step 5: Solve for x
    x = 66,968,253.06/9,268.92
  6. Step 6: Final answer
    x = 7,225.03

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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.