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Finding the Fourth Proportional to 23.78, 35.52 and 23.58

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Solution

The fourth proportional to 23.78, 35.52 and 23.58 is: 35.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.78 : 35.52 = 23.58 : x
  2. Step 2: Convert to fraction form
    23.78/35.52 = 23.58/x
  3. Step 3: Cross multiply
    23.78x = 35.52 × 23.58
  4. Step 4: Simplify right side
    23.78x = 837.56
  5. Step 5: Solve for x
    x = 837.56/23.78
  6. Step 6: Final answer
    x = 35.23

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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.