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Finding the Fourth Proportional to 95.48, 143.16 and 37.64

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Solution

The fourth proportional to 95.48, 143.16 and 37.64 is: 56.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.48 : 143.16 = 37.64 : x
  2. Step 2: Convert to fraction form
    95.48/143.16 = 37.64/x
  3. Step 3: Cross multiply
    95.48x = 143.16 × 37.64
  4. Step 4: Simplify right side
    95.48x = 5,388.90
  5. Step 5: Solve for x
    x = 5,388.90/95.48
  6. Step 6: Final answer
    x = 56.44

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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.