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Finding the Fourth Proportional to 3,882.63, 5,823.95 and 960.89

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Solution

The fourth proportional to 3,882.63, 5,823.95 and 960.89 is: 1,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.63 : 5,823.95 = 960.89 : x
  2. Step 2: Convert to fraction form
    3,882.63/5,823.95 = 960.89/x
  3. Step 3: Cross multiply
    3,882.63x = 5,823.95 × 960.89
  4. Step 4: Simplify right side
    3,882.63x = 5,596,175.32
  5. Step 5: Solve for x
    x = 5,596,175.32/3,882.63
  6. Step 6: Final answer
    x = 1,441.34

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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.