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Finding the Fourth Proportional to 16.76, 25.03 and 14.74

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Solution

The fourth proportional to 16.76, 25.03 and 14.74 is: 22.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.76 : 25.03 = 14.74 : x
  2. Step 2: Convert to fraction form
    16.76/25.03 = 14.74/x
  3. Step 3: Cross multiply
    16.76x = 25.03 × 14.74
  4. Step 4: Simplify right side
    16.76x = 368.94
  5. Step 5: Solve for x
    x = 368.94/16.76
  6. Step 6: Final answer
    x = 22.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.