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Finding the Fourth Proportional to 1,627.99, 2,441.94 and 587.80

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Solution

The fourth proportional to 1,627.99, 2,441.94 and 587.80 is: 881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.99 : 2,441.94 = 587.80 : x
  2. Step 2: Convert to fraction form
    1,627.99/2,441.94 = 587.80/x
  3. Step 3: Cross multiply
    1,627.99x = 2,441.94 × 587.80
  4. Step 4: Simplify right side
    1,627.99x = 1,435,372.33
  5. Step 5: Solve for x
    x = 1,435,372.33/1,627.99
  6. Step 6: Final answer
    x = 881.68

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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.