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Finding the Fourth Proportional to 25.36, 35.01 and 16.16

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Solution

The fourth proportional to 25.36, 35.01 and 16.16 is: 22.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.36 : 35.01 = 16.16 : x
  2. Step 2: Convert to fraction form
    25.36/35.01 = 16.16/x
  3. Step 3: Cross multiply
    25.36x = 35.01 × 16.16
  4. Step 4: Simplify right side
    25.36x = 565.76
  5. Step 5: Solve for x
    x = 565.76/25.36
  6. Step 6: Final answer
    x = 22.31

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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.