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Finding the Fourth Proportional to 27,162.37, 40,738.02 and 7,439.41

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Solution

The fourth proportional to 27,162.37, 40,738.02 and 7,439.41 is: 11,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,162.37 : 40,738.02 = 7,439.41 : x
  2. Step 2: Convert to fraction form
    27,162.37/40,738.02 = 7,439.41/x
  3. Step 3: Cross multiply
    27,162.37x = 40,738.02 × 7,439.41
  4. Step 4: Simplify right side
    27,162.37x = 303,066,833.37
  5. Step 5: Solve for x
    x = 303,066,833.37/27,162.37
  6. Step 6: Final answer
    x = 11,157.60

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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.