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Finding the Fourth Proportional to 35.21, 52.73 and 32.18

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Solution

The fourth proportional to 35.21, 52.73 and 32.18 is: 48.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.21 : 52.73 = 32.18 : x
  2. Step 2: Convert to fraction form
    35.21/52.73 = 32.18/x
  3. Step 3: Cross multiply
    35.21x = 52.73 × 32.18
  4. Step 4: Simplify right side
    35.21x = 1,696.51
  5. Step 5: Solve for x
    x = 1,696.51/35.21
  6. Step 6: Final answer
    x = 48.18

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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.