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Finding the Fourth Proportional to 2,452.89, 3,677.49 and 808.44

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Solution

The fourth proportional to 2,452.89, 3,677.49 and 808.44 is: 1,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.89 : 3,677.49 = 808.44 : x
  2. Step 2: Convert to fraction form
    2,452.89/3,677.49 = 808.44/x
  3. Step 3: Cross multiply
    2,452.89x = 3,677.49 × 808.44
  4. Step 4: Simplify right side
    2,452.89x = 2,973,030.02
  5. Step 5: Solve for x
    x = 2,973,030.02/2,452.89
  6. Step 6: Final answer
    x = 1,212.05

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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.