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Finding the Fourth Proportional to 5.06, 6.98 and 4.16

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Solution

The fourth proportional to 5.06, 6.98 and 4.16 is: 5.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.06 : 6.98 = 4.16 : x
  2. Step 2: Convert to fraction form
    5.06/6.98 = 4.16/x
  3. Step 3: Cross multiply
    5.06x = 6.98 × 4.16
  4. Step 4: Simplify right side
    5.06x = 28.98
  5. Step 5: Solve for x
    x = 28.98/5.06
  6. Step 6: Final answer
    x = 5.73

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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.