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Finding the Fourth Proportional to 23.22, 32.06 and 19.07

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Solution

The fourth proportional to 23.22, 32.06 and 19.07 is: 26.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.22 : 32.06 = 19.07 : x
  2. Step 2: Convert to fraction form
    23.22/32.06 = 19.07/x
  3. Step 3: Cross multiply
    23.22x = 32.06 × 19.07
  4. Step 4: Simplify right side
    23.22x = 611.51
  5. Step 5: Solve for x
    x = 611.51/23.22
  6. Step 6: Final answer
    x = 26.34

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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.