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Finding the Fourth Proportional to 27,174.60, 40,757.54 and 7,448.58

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Solution

The fourth proportional to 27,174.60, 40,757.54 and 7,448.58 is: 11,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,174.60 : 40,757.54 = 7,448.58 : x
  2. Step 2: Convert to fraction form
    27,174.60/40,757.54 = 7,448.58/x
  3. Step 3: Cross multiply
    27,174.60x = 40,757.54 × 7,448.58
  4. Step 4: Simplify right side
    27,174.60x = 303,585,760.05
  5. Step 5: Solve for x
    x = 303,585,760.05/27,174.60
  6. Step 6: Final answer
    x = 11,171.67

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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.