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Finding the Fourth Proportional to 2,451.44, 3,677.30 and 808.13

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Solution

The fourth proportional to 2,451.44, 3,677.30 and 808.13 is: 1,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.44 : 3,677.30 = 808.13 : x
  2. Step 2: Convert to fraction form
    2,451.44/3,677.30 = 808.13/x
  3. Step 3: Cross multiply
    2,451.44x = 3,677.30 × 808.13
  4. Step 4: Simplify right side
    2,451.44x = 2,971,736.45
  5. Step 5: Solve for x
    x = 2,971,736.45/2,451.44
  6. Step 6: Final answer
    x = 1,212.24

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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.