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Finding the Fourth Proportional to 5,829.89, 8,744.81 and 1,447.35

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Solution

The fourth proportional to 5,829.89, 8,744.81 and 1,447.35 is: 2,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.89 : 8,744.81 = 1,447.35 : x
  2. Step 2: Convert to fraction form
    5,829.89/8,744.81 = 1,447.35/x
  3. Step 3: Cross multiply
    5,829.89x = 8,744.81 × 1,447.35
  4. Step 4: Simplify right side
    5,829.89x = 12,656,799.61
  5. Step 5: Solve for x
    x = 12,656,799.61/5,829.89
  6. Step 6: Final answer
    x = 2,171.02

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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.