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Finding the Fourth Proportional to 22.86, 34.20 and 16.07

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Solution

The fourth proportional to 22.86, 34.20 and 16.07 is: 24.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.86 : 34.20 = 16.07 : x
  2. Step 2: Convert to fraction form
    22.86/34.20 = 16.07/x
  3. Step 3: Cross multiply
    22.86x = 34.20 × 16.07
  4. Step 4: Simplify right side
    22.86x = 549.42
  5. Step 5: Solve for x
    x = 549.42/22.86
  6. Step 6: Final answer
    x = 24.03

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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.