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Finding the Fourth Proportional to 22.01, 32.94 and 15.98

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Solution

The fourth proportional to 22.01, 32.94 and 15.98 is: 23.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.01 : 32.94 = 15.98 : x
  2. Step 2: Convert to fraction form
    22.01/32.94 = 15.98/x
  3. Step 3: Cross multiply
    22.01x = 32.94 × 15.98
  4. Step 4: Simplify right side
    22.01x = 526.22
  5. Step 5: Solve for x
    x = 526.22/22.01
  6. Step 6: Final answer
    x = 23.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.