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Finding the Fourth Proportional to 2,473.81, 3,711.29 and 808.03

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Solution

The fourth proportional to 2,473.81, 3,711.29 and 808.03 is: 1,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.81 : 3,711.29 = 808.03 : x
  2. Step 2: Convert to fraction form
    2,473.81/3,711.29 = 808.03/x
  3. Step 3: Cross multiply
    2,473.81x = 3,711.29 × 808.03
  4. Step 4: Simplify right side
    2,473.81x = 2,998,834.26
  5. Step 5: Solve for x
    x = 2,998,834.26/2,473.81
  6. Step 6: Final answer
    x = 1,212.23

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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.