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Finding the Fourth Proportional to 35.54, 53.26 and 27.50

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Solution

The fourth proportional to 35.54, 53.26 and 27.50 is: 41.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.54 : 53.26 = 27.50 : x
  2. Step 2: Convert to fraction form
    35.54/53.26 = 27.50/x
  3. Step 3: Cross multiply
    35.54x = 53.26 × 27.50
  4. Step 4: Simplify right side
    35.54x = 1,464.65
  5. Step 5: Solve for x
    x = 1,464.65/35.54
  6. Step 6: Final answer
    x = 41.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.