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Finding the Fourth Proportional to 35.21, 48.62 and 26.49

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Solution

The fourth proportional to 35.21, 48.62 and 26.49 is: 36.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.21 : 48.62 = 26.49 : x
  2. Step 2: Convert to fraction form
    35.21/48.62 = 26.49/x
  3. Step 3: Cross multiply
    35.21x = 48.62 × 26.49
  4. Step 4: Simplify right side
    35.21x = 1,288.00
  5. Step 5: Solve for x
    x = 1,288.00/35.21
  6. Step 6: Final answer
    x = 36.58

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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.