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Finding the Fourth Proportional to 25.55, 38.37 and 17.00

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Solution

The fourth proportional to 25.55, 38.37 and 17.00 is: 25.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.55 : 38.37 = 17.00 : x
  2. Step 2: Convert to fraction form
    25.55/38.37 = 17.00/x
  3. Step 3: Cross multiply
    25.55x = 38.37 × 17.00
  4. Step 4: Simplify right side
    25.55x = 652.10
  5. Step 5: Solve for x
    x = 652.10/25.55
  6. Step 6: Final answer
    x = 25.53

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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.