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Finding the Fourth Proportional to 35.96, 49.58 and 23

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Solution

The fourth proportional to 35.96, 49.58 and 23 is: 31.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.96 : 49.58 = 23 : x
  2. Step 2: Convert to fraction form
    35.96/49.58 = 23/x
  3. Step 3: Cross multiply
    35.96x = 49.58 × 23
  4. Step 4: Simplify right side
    35.96x = 1,140.23
  5. Step 5: Solve for x
    x = 1,140.23/35.96
  6. Step 6: Final answer
    x = 31.71

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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.