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Finding the Fourth Proportional to 2,521.99, 3,783.29 and 673.17

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Solution

The fourth proportional to 2,521.99, 3,783.29 and 673.17 is: 1,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.99 : 3,783.29 = 673.17 : x
  2. Step 2: Convert to fraction form
    2,521.99/3,783.29 = 673.17/x
  3. Step 3: Cross multiply
    2,521.99x = 3,783.29 × 673.17
  4. Step 4: Simplify right side
    2,521.99x = 2,546,797.33
  5. Step 5: Solve for x
    x = 2,546,797.33/2,521.99
  6. Step 6: Final answer
    x = 1,009.84

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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.