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Finding the Fourth Proportional to 3,483.68, 5,225 and 886.64

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Solution

The fourth proportional to 3,483.68, 5,225 and 886.64 is: 1,329.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.68 : 5,225 = 886.64 : x
  2. Step 2: Convert to fraction form
    3,483.68/5,225 = 886.64/x
  3. Step 3: Cross multiply
    3,483.68x = 5,225 × 886.64
  4. Step 4: Simplify right side
    3,483.68x = 4,632,694
  5. Step 5: Solve for x
    x = 4,632,694/3,483.68
  6. Step 6: Final answer
    x = 1,329.83

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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.