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Finding the Fourth Proportional to 15,471.44, 23,200.07 and 8,453.81

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Solution

The fourth proportional to 15,471.44, 23,200.07 and 8,453.81 is: 12,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.44 : 23,200.07 = 8,453.81 : x
  2. Step 2: Convert to fraction form
    15,471.44/23,200.07 = 8,453.81/x
  3. Step 3: Cross multiply
    15,471.44x = 23,200.07 × 8,453.81
  4. Step 4: Simplify right side
    15,471.44x = 196,128,825.50
  5. Step 5: Solve for x
    x = 196,128,825.50/15,471.44
  6. Step 6: Final answer
    x = 12,676.83

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1.5x scale

Why These Related Problems?

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