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Finding the Fourth Proportional to 1,669.62, 2,504.24 and 573.88

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Solution

The fourth proportional to 1,669.62, 2,504.24 and 573.88 is: 860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.62 : 2,504.24 = 573.88 : x
  2. Step 2: Convert to fraction form
    1,669.62/2,504.24 = 573.88/x
  3. Step 3: Cross multiply
    1,669.62x = 2,504.24 × 573.88
  4. Step 4: Simplify right side
    1,669.62x = 1,437,133.25
  5. Step 5: Solve for x
    x = 1,437,133.25/1,669.62
  6. Step 6: Final answer
    x = 860.75

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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.