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Finding the Fourth Proportional to 4.14, 5.64 and 4.08

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Solution

The fourth proportional to 4.14, 5.64 and 4.08 is: 5.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.14 : 5.64 = 4.08 : x
  2. Step 2: Convert to fraction form
    4.14/5.64 = 4.08/x
  3. Step 3: Cross multiply
    4.14x = 5.64 × 4.08
  4. Step 4: Simplify right side
    4.14x = 23.01
  5. Step 5: Solve for x
    x = 23.01/4.14
  6. Step 6: Final answer
    x = 5.56

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.