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Finding the Fourth Proportional to 3,829.68, 5,735.96 and 3,329.68

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Solution

The fourth proportional to 3,829.68, 5,735.96 and 3,329.68 is: 4,987.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.68 : 5,735.96 = 3,329.68 : x
  2. Step 2: Convert to fraction form
    3,829.68/5,735.96 = 3,329.68/x
  3. Step 3: Cross multiply
    3,829.68x = 5,735.96 × 3,329.68
  4. Step 4: Simplify right side
    3,829.68x = 19,098,911.29
  5. Step 5: Solve for x
    x = 19,098,911.29/3,829.68
  6. Step 6: Final answer
    x = 4,987.08

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1.5x scale

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.