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Finding the Fourth Proportional to 104.01, 156.05 and 35.53

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Solution

The fourth proportional to 104.01, 156.05 and 35.53 is: 53.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.01 : 156.05 = 35.53 : x
  2. Step 2: Convert to fraction form
    104.01/156.05 = 35.53/x
  3. Step 3: Cross multiply
    104.01x = 156.05 × 35.53
  4. Step 4: Simplify right side
    104.01x = 5,544.46
  5. Step 5: Solve for x
    x = 5,544.46/104.01
  6. Step 6: Final answer
    x = 53.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.