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Finding the Fourth Proportional to 26.46, 36.53 and 16.77

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Solution

The fourth proportional to 26.46, 36.53 and 16.77 is: 23.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.46 : 36.53 = 16.77 : x
  2. Step 2: Convert to fraction form
    26.46/36.53 = 16.77/x
  3. Step 3: Cross multiply
    26.46x = 36.53 × 16.77
  4. Step 4: Simplify right side
    26.46x = 612.52
  5. Step 5: Solve for x
    x = 612.52/26.46
  6. Step 6: Final answer
    x = 23.15

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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.