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Finding the Fourth Proportional to 104.74, 157.13 and 32.59

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Solution

The fourth proportional to 104.74, 157.13 and 32.59 is: 48.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.74 : 157.13 = 32.59 : x
  2. Step 2: Convert to fraction form
    104.74/157.13 = 32.59/x
  3. Step 3: Cross multiply
    104.74x = 157.13 × 32.59
  4. Step 4: Simplify right side
    104.74x = 5,120.87
  5. Step 5: Solve for x
    x = 5,120.87/104.74
  6. Step 6: Final answer
    x = 48.89

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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.