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Finding the Fourth Proportional to 43.22, 59.57 and 35.03

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Solution

The fourth proportional to 43.22, 59.57 and 35.03 is: 48.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.22 : 59.57 = 35.03 : x
  2. Step 2: Convert to fraction form
    43.22/59.57 = 35.03/x
  3. Step 3: Cross multiply
    43.22x = 59.57 × 35.03
  4. Step 4: Simplify right side
    43.22x = 2,086.26
  5. Step 5: Solve for x
    x = 2,086.26/43.22
  6. Step 6: Final answer
    x = 48.28

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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.