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Finding the Fourth Proportional to 35.84, 49.32 and 32.21

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Solution

The fourth proportional to 35.84, 49.32 and 32.21 is: 44.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.84 : 49.32 = 32.21 : x
  2. Step 2: Convert to fraction form
    35.84/49.32 = 32.21/x
  3. Step 3: Cross multiply
    35.84x = 49.32 × 32.21
  4. Step 4: Simplify right side
    35.84x = 1,588.60
  5. Step 5: Solve for x
    x = 1,588.60/35.84
  6. Step 6: Final answer
    x = 44.32

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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.