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Finding the Fourth Proportional to 4,446.56, 6,131.64 and 3,819.16

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Solution

The fourth proportional to 4,446.56, 6,131.64 and 3,819.16 is: 5,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,446.56 : 6,131.64 = 3,819.16 : x
  2. Step 2: Convert to fraction form
    4,446.56/6,131.64 = 3,819.16/x
  3. Step 3: Cross multiply
    4,446.56x = 6,131.64 × 3,819.16
  4. Step 4: Simplify right side
    4,446.56x = 23,417,714.22
  5. Step 5: Solve for x
    x = 23,417,714.22/4,446.56
  6. Step 6: Final answer
    x = 5,266.48

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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.