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Finding the Fourth Proportional to 23.36, 32.23 and 13.00

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Solution

The fourth proportional to 23.36, 32.23 and 13.00 is: 17.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.36 : 32.23 = 13.00 : x
  2. Step 2: Convert to fraction form
    23.36/32.23 = 13.00/x
  3. Step 3: Cross multiply
    23.36x = 32.23 × 13.00
  4. Step 4: Simplify right side
    23.36x = 418.92
  5. Step 5: Solve for x
    x = 418.92/23.36
  6. Step 6: Final answer
    x = 17.93

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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.