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Finding the Fourth Proportional to 17.01, 25.51 and 4.99

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Solution

The fourth proportional to 17.01, 25.51 and 4.99 is: 7.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.01 : 25.51 = 4.99 : x
  2. Step 2: Convert to fraction form
    17.01/25.51 = 4.99/x
  3. Step 3: Cross multiply
    17.01x = 25.51 × 4.99
  4. Step 4: Simplify right side
    17.01x = 127.17
  5. Step 5: Solve for x
    x = 127.17/17.01
  6. Step 6: Final answer
    x = 7.48

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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.