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Finding the Fourth Proportional to 17,049.15, 25,628.40 and 12,152.70

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Solution

The fourth proportional to 17,049.15, 25,628.40 and 12,152.70 is: 18,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,049.15 : 25,628.40 = 12,152.70 : x
  2. Step 2: Convert to fraction form
    17,049.15/25,628.40 = 12,152.70/x
  3. Step 3: Cross multiply
    17,049.15x = 25,628.40 × 12,152.70
  4. Step 4: Simplify right side
    17,049.15x = 311,454,256.68
  5. Step 5: Solve for x
    x = 311,454,256.68/17,049.15
  6. Step 6: Final answer
    x = 18,268.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.