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Finding the Fourth Proportional to 11,065.06, 15,254.49 and 8,081.02

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Solution

The fourth proportional to 11,065.06, 15,254.49 and 8,081.02 is: 11,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.06 : 15,254.49 = 8,081.02 : x
  2. Step 2: Convert to fraction form
    11,065.06/15,254.49 = 8,081.02/x
  3. Step 3: Cross multiply
    11,065.06x = 15,254.49 × 8,081.02
  4. Step 4: Simplify right side
    11,065.06x = 123,271,838.78
  5. Step 5: Solve for x
    x = 123,271,838.78/11,065.06
  6. Step 6: Final answer
    x = 11,140.64

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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.