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Finding the Fourth Proportional to 3,911.88, 5,867.75 and 950.34

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Solution

The fourth proportional to 3,911.88, 5,867.75 and 950.34 is: 1,425.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.88 : 5,867.75 = 950.34 : x
  2. Step 2: Convert to fraction form
    3,911.88/5,867.75 = 950.34/x
  3. Step 3: Cross multiply
    3,911.88x = 5,867.75 × 950.34
  4. Step 4: Simplify right side
    3,911.88x = 5,576,357.54
  5. Step 5: Solve for x
    x = 5,576,357.54/3,911.88
  6. Step 6: Final answer
    x = 1,425.49

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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.