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Finding the Fourth Proportional to 23.56, 32.50 and 18.30

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Solution

The fourth proportional to 23.56, 32.50 and 18.30 is: 25.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.56 : 32.50 = 18.30 : x
  2. Step 2: Convert to fraction form
    23.56/32.50 = 18.30/x
  3. Step 3: Cross multiply
    23.56x = 32.50 × 18.30
  4. Step 4: Simplify right side
    23.56x = 594.75
  5. Step 5: Solve for x
    x = 594.75/23.56
  6. Step 6: Final answer
    x = 25.24

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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.