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Finding the Fourth Proportional to 3,514.58, 4,850.06 and 1,921.22

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Solution

The fourth proportional to 3,514.58, 4,850.06 and 1,921.22 is: 2,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.58 : 4,850.06 = 1,921.22 : x
  2. Step 2: Convert to fraction form
    3,514.58/4,850.06 = 1,921.22/x
  3. Step 3: Cross multiply
    3,514.58x = 4,850.06 × 1,921.22
  4. Step 4: Simplify right side
    3,514.58x = 9,317,998.42
  5. Step 5: Solve for x
    x = 9,317,998.42/3,514.58
  6. Step 6: Final answer
    x = 2,651.24

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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.