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Finding the Fourth Proportional to 3,433, 5,148.72 and 968.08

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Solution

The fourth proportional to 3,433, 5,148.72 and 968.08 is: 1,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433 : 5,148.72 = 968.08 : x
  2. Step 2: Convert to fraction form
    3,433/5,148.72 = 968.08/x
  3. Step 3: Cross multiply
    3,433x = 5,148.72 × 968.08
  4. Step 4: Simplify right side
    3,433x = 4,984,372.86
  5. Step 5: Solve for x
    x = 4,984,372.86/3,433
  6. Step 6: Final answer
    x = 1,451.90

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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.