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Finding the Fourth Proportional to 9,672.12, 14,507.21 and 3,096.54

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Solution

The fourth proportional to 9,672.12, 14,507.21 and 3,096.54 is: 4,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.12 : 14,507.21 = 3,096.54 : x
  2. Step 2: Convert to fraction form
    9,672.12/14,507.21 = 3,096.54/x
  3. Step 3: Cross multiply
    9,672.12x = 14,507.21 × 3,096.54
  4. Step 4: Simplify right side
    9,672.12x = 44,922,163.79
  5. Step 5: Solve for x
    x = 44,922,163.79/9,672.12
  6. Step 6: Final answer
    x = 4,644.50

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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.