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Finding the Fourth Proportional to 35.82, 49.46 and 35.60

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Solution

The fourth proportional to 35.82, 49.46 and 35.60 is: 49.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.82 : 49.46 = 35.60 : x
  2. Step 2: Convert to fraction form
    35.82/49.46 = 35.60/x
  3. Step 3: Cross multiply
    35.82x = 49.46 × 35.60
  4. Step 4: Simplify right side
    35.82x = 1,760.35
  5. Step 5: Solve for x
    x = 1,760.35/35.82
  6. Step 6: Final answer
    x = 49.14

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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.