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Finding the Fourth Proportional to 104.36, 156.58 and 35.93

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Solution

The fourth proportional to 104.36, 156.58 and 35.93 is: 53.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.36 : 156.58 = 35.93 : x
  2. Step 2: Convert to fraction form
    104.36/156.58 = 35.93/x
  3. Step 3: Cross multiply
    104.36x = 156.58 × 35.93
  4. Step 4: Simplify right side
    104.36x = 5,626.22
  5. Step 5: Solve for x
    x = 5,626.22/104.36
  6. Step 6: Final answer
    x = 53.91

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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.