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Finding the Fourth Proportional to 4.33, 6.50 and 3.45

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Solution

The fourth proportional to 4.33, 6.50 and 3.45 is: 5.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.33 : 6.50 = 3.45 : x
  2. Step 2: Convert to fraction form
    4.33/6.50 = 3.45/x
  3. Step 3: Cross multiply
    4.33x = 6.50 × 3.45
  4. Step 4: Simplify right side
    4.33x = 22.43
  5. Step 5: Solve for x
    x = 22.43/4.33
  6. Step 6: Final answer
    x = 5.18

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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.