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Finding the Fourth Proportional to 25.53, 35.22 and 14.46

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Solution

The fourth proportional to 25.53, 35.22 and 14.46 is: 19.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.53 : 35.22 = 14.46 : x
  2. Step 2: Convert to fraction form
    25.53/35.22 = 14.46/x
  3. Step 3: Cross multiply
    25.53x = 35.22 × 14.46
  4. Step 4: Simplify right side
    25.53x = 509.31
  5. Step 5: Solve for x
    x = 509.31/25.53
  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.