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Finding the Fourth Proportional to 35.51, 49.02 and 23.87

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Solution

The fourth proportional to 35.51, 49.02 and 23.87 is: 32.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.51 : 49.02 = 23.87 : x
  2. Step 2: Convert to fraction form
    35.51/49.02 = 23.87/x
  3. Step 3: Cross multiply
    35.51x = 49.02 × 23.87
  4. Step 4: Simplify right side
    35.51x = 1,170.14
  5. Step 5: Solve for x
    x = 1,170.14/35.51
  6. Step 6: Final answer
    x = 32.96

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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.