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Finding the Fourth Proportional to 4,986.11, 7,483.78 and 2,522.66

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Solution

The fourth proportional to 4,986.11, 7,483.78 and 2,522.66 is: 3,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.11 : 7,483.78 = 2,522.66 : x
  2. Step 2: Convert to fraction form
    4,986.11/7,483.78 = 2,522.66/x
  3. Step 3: Cross multiply
    4,986.11x = 7,483.78 × 2,522.66
  4. Step 4: Simplify right side
    4,986.11x = 18,879,026.10
  5. Step 5: Solve for x
    x = 18,879,026.10/4,986.11
  6. Step 6: Final answer
    x = 3,786.33

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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.