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Finding the Fourth Proportional to 41,425.40, 62,147.74 and 11,843.64

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Solution

The fourth proportional to 41,425.40, 62,147.74 and 11,843.64 is: 17,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,425.40 : 62,147.74 = 11,843.64 : x
  2. Step 2: Convert to fraction form
    41,425.40/62,147.74 = 11,843.64/x
  3. Step 3: Cross multiply
    41,425.40x = 62,147.74 × 11,843.64
  4. Step 4: Simplify right side
    41,425.40x = 736,055,459.37
  5. Step 5: Solve for x
    x = 736,055,459.37/41,425.40
  6. Step 6: Final answer
    x = 17,768.22

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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.