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Finding the Fourth Proportional to 35.62, 49.12 and 23.32

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Solution

The fourth proportional to 35.62, 49.12 and 23.32 is: 32.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.62 : 49.12 = 23.32 : x
  2. Step 2: Convert to fraction form
    35.62/49.12 = 23.32/x
  3. Step 3: Cross multiply
    35.62x = 49.12 × 23.32
  4. Step 4: Simplify right side
    35.62x = 1,145.48
  5. Step 5: Solve for x
    x = 1,145.48/35.62
  6. Step 6: Final answer
    x = 32.16

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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.