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Finding the Fourth Proportional to 12,096.65, 18,144.94 and 7,935.66

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Solution

The fourth proportional to 12,096.65, 18,144.94 and 7,935.66 is: 11,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096.65 : 18,144.94 = 7,935.66 : x
  2. Step 2: Convert to fraction form
    12,096.65/18,144.94 = 7,935.66/x
  3. Step 3: Cross multiply
    12,096.65x = 18,144.94 × 7,935.66
  4. Step 4: Simplify right side
    12,096.65x = 143,992,074.56
  5. Step 5: Solve for x
    x = 143,992,074.56/12,096.65
  6. Step 6: Final answer
    x = 11,903.47

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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.