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Finding the Fourth Proportional to 25.50, 38.00 and 24.18

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Solution

The fourth proportional to 25.50, 38.00 and 24.18 is: 36.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.50 : 38.00 = 24.18 : x
  2. Step 2: Convert to fraction form
    25.50/38.00 = 24.18/x
  3. Step 3: Cross multiply
    25.50x = 38.00 × 24.18
  4. Step 4: Simplify right side
    25.50x = 918.72
  5. Step 5: Solve for x
    x = 918.72/25.50
  6. Step 6: Final answer
    x = 36.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.