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Finding the Fourth Proportional to 35.28, 53.19 and 32.67

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Solution

The fourth proportional to 35.28, 53.19 and 32.67 is: 49.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.28 : 53.19 = 32.67 : x
  2. Step 2: Convert to fraction form
    35.28/53.19 = 32.67/x
  3. Step 3: Cross multiply
    35.28x = 53.19 × 32.67
  4. Step 4: Simplify right side
    35.28x = 1,737.72
  5. Step 5: Solve for x
    x = 1,737.72/35.28
  6. Step 6: Final answer
    x = 49.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.