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Finding the Fourth Proportional to 5,860.73, 8,782.88 and 4,209.54

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Solution

The fourth proportional to 5,860.73, 8,782.88 and 4,209.54 is: 6,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.73 : 8,782.88 = 4,209.54 : x
  2. Step 2: Convert to fraction form
    5,860.73/8,782.88 = 4,209.54/x
  3. Step 3: Cross multiply
    5,860.73x = 8,782.88 × 4,209.54
  4. Step 4: Simplify right side
    5,860.73x = 36,971,884.68
  5. Step 5: Solve for x
    x = 36,971,884.68/5,860.73
  6. Step 6: Final answer
    x = 6,308.41

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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.