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Finding the Fourth Proportional to 25.36, 35.01 and 14.45

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Solution

The fourth proportional to 25.36, 35.01 and 14.45 is: 19.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.36 : 35.01 = 14.45 : x
  2. Step 2: Convert to fraction form
    25.36/35.01 = 14.45/x
  3. Step 3: Cross multiply
    25.36x = 35.01 × 14.45
  4. Step 4: Simplify right side
    25.36x = 505.97
  5. Step 5: Solve for x
    x = 505.97/25.36
  6. Step 6: Final answer
    x = 19.95

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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.