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Finding the Fourth Proportional to 25.83, 35.62 and 16.63

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Solution

The fourth proportional to 25.83, 35.62 and 16.63 is: 22.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.83 : 35.62 = 16.63 : x
  2. Step 2: Convert to fraction form
    25.83/35.62 = 16.63/x
  3. Step 3: Cross multiply
    25.83x = 35.62 × 16.63
  4. Step 4: Simplify right side
    25.83x = 592.32
  5. Step 5: Solve for x
    x = 592.32/25.83
  6. Step 6: Final answer
    x = 22.93

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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.