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Finding the Fourth Proportional to 35.91, 53.62 and 32.23

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Solution

The fourth proportional to 35.91, 53.62 and 32.23 is: 48.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.91 : 53.62 = 32.23 : x
  2. Step 2: Convert to fraction form
    35.91/53.62 = 32.23/x
  3. Step 3: Cross multiply
    35.91x = 53.62 × 32.23
  4. Step 4: Simplify right side
    35.91x = 1,728.04
  5. Step 5: Solve for x
    x = 1,728.04/35.91
  6. Step 6: Final answer
    x = 48.12

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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.