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Finding the Fourth Proportional to 23.79, 32.77 and 16.01

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Solution

The fourth proportional to 23.79, 32.77 and 16.01 is: 22.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.79 : 32.77 = 16.01 : x
  2. Step 2: Convert to fraction form
    23.79/32.77 = 16.01/x
  3. Step 3: Cross multiply
    23.79x = 32.77 × 16.01
  4. Step 4: Simplify right side
    23.79x = 524.53
  5. Step 5: Solve for x
    x = 524.53/23.79
  6. Step 6: Final answer
    x = 22.05

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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.