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Finding the Fourth Proportional to 23.99, 32.93 and 23.18

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Solution

The fourth proportional to 23.99, 32.93 and 23.18 is: 31.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.99 : 32.93 = 23.18 : x
  2. Step 2: Convert to fraction form
    23.99/32.93 = 23.18/x
  3. Step 3: Cross multiply
    23.99x = 32.93 × 23.18
  4. Step 4: Simplify right side
    23.99x = 763.12
  5. Step 5: Solve for x
    x = 763.12/23.99
  6. Step 6: Final answer
    x = 31.82

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.