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Finding the Fourth Proportional to 4,483.22, 6,719.99 and 2,840.22

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Solution

The fourth proportional to 4,483.22, 6,719.99 and 2,840.22 is: 4,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,483.22 : 6,719.99 = 2,840.22 : x
  2. Step 2: Convert to fraction form
    4,483.22/6,719.99 = 2,840.22/x
  3. Step 3: Cross multiply
    4,483.22x = 6,719.99 × 2,840.22
  4. Step 4: Simplify right side
    4,483.22x = 19,086,235.80
  5. Step 5: Solve for x
    x = 19,086,235.80/4,483.22
  6. Step 6: Final answer
    x = 4,257.27

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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.