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Finding the Fourth Proportional to 5.94, 8.18 and 5.46

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Solution

The fourth proportional to 5.94, 8.18 and 5.46 is: 7.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.94 : 8.18 = 5.46 : x
  2. Step 2: Convert to fraction form
    5.94/8.18 = 5.46/x
  3. Step 3: Cross multiply
    5.94x = 8.18 × 5.46
  4. Step 4: Simplify right side
    5.94x = 44.63
  5. Step 5: Solve for x
    x = 44.63/5.94
  6. Step 6: Final answer
    x = 7.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.