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Finding the Fourth Proportional to 6,266.62, 8,642.94 and 4,028.72

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Solution

The fourth proportional to 6,266.62, 8,642.94 and 4,028.72 is: 5,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,266.62 : 8,642.94 = 4,028.72 : x
  2. Step 2: Convert to fraction form
    6,266.62/8,642.94 = 4,028.72/x
  3. Step 3: Cross multiply
    6,266.62x = 8,642.94 × 4,028.72
  4. Step 4: Simplify right side
    6,266.62x = 34,819,985.24
  5. Step 5: Solve for x
    x = 34,819,985.24/6,266.62
  6. Step 6: Final answer
    x = 5,556.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.