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Finding the Fourth Proportional to 43.94, 60.64 and 25.53

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Solution

The fourth proportional to 43.94, 60.64 and 25.53 is: 35.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.94 : 60.64 = 25.53 : x
  2. Step 2: Convert to fraction form
    43.94/60.64 = 25.53/x
  3. Step 3: Cross multiply
    43.94x = 60.64 × 25.53
  4. Step 4: Simplify right side
    43.94x = 1,548.14
  5. Step 5: Solve for x
    x = 1,548.14/43.94
  6. Step 6: Final answer
    x = 35.23

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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.