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Finding the Fourth Proportional to 25.75, 35.51 and 16.03

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Solution

The fourth proportional to 25.75, 35.51 and 16.03 is: 22.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.75 : 35.51 = 16.03 : x
  2. Step 2: Convert to fraction form
    25.75/35.51 = 16.03/x
  3. Step 3: Cross multiply
    25.75x = 35.51 × 16.03
  4. Step 4: Simplify right side
    25.75x = 569.19
  5. Step 5: Solve for x
    x = 569.19/25.75
  6. Step 6: Final answer
    x = 22.10

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