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Finding the Fourth Proportional to 35.91, 53.55 and 32.03

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Solution

The fourth proportional to 35.91, 53.55 and 32.03 is: 47.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.91 : 53.55 = 32.03 : x
  2. Step 2: Convert to fraction form
    35.91/53.55 = 32.03/x
  3. Step 3: Cross multiply
    35.91x = 53.55 × 32.03
  4. Step 4: Simplify right side
    35.91x = 1,714.94
  5. Step 5: Solve for x
    x = 1,714.94/35.91
  6. Step 6: Final answer
    x = 47.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.