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Finding the Fourth Proportional to 16.60, 24.74 and 16.46

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Solution

The fourth proportional to 16.60, 24.74 and 16.46 is: 24.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.60 : 24.74 = 16.46 : x
  2. Step 2: Convert to fraction form
    16.60/24.74 = 16.46/x
  3. Step 3: Cross multiply
    16.60x = 24.74 × 16.46
  4. Step 4: Simplify right side
    16.60x = 407.22
  5. Step 5: Solve for x
    x = 407.22/16.60
  6. Step 6: Final answer
    x = 24.53

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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.