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Finding the Fourth Proportional to 2,452.18, 3,677.04 and 808.68

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Solution

The fourth proportional to 2,452.18, 3,677.04 and 808.68 is: 1,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.18 : 3,677.04 = 808.68 : x
  2. Step 2: Convert to fraction form
    2,452.18/3,677.04 = 808.68/x
  3. Step 3: Cross multiply
    2,452.18x = 3,677.04 × 808.68
  4. Step 4: Simplify right side
    2,452.18x = 2,973,548.71
  5. Step 5: Solve for x
    x = 2,973,548.71/2,452.18
  6. Step 6: Final answer
    x = 1,212.61

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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.