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Finding the Fourth Proportional to 35.41, 53.12 and 11.37

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Solution

The fourth proportional to 35.41, 53.12 and 11.37 is: 17.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.41 : 53.12 = 11.37 : x
  2. Step 2: Convert to fraction form
    35.41/53.12 = 11.37/x
  3. Step 3: Cross multiply
    35.41x = 53.12 × 11.37
  4. Step 4: Simplify right side
    35.41x = 603.97
  5. Step 5: Solve for x
    x = 603.97/35.41
  6. Step 6: Final answer
    x = 17.06

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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.