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Finding the Fourth Proportional to 95.61, 143.41 and 37.83

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Solution

The fourth proportional to 95.61, 143.41 and 37.83 is: 56.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.61 : 143.41 = 37.83 : x
  2. Step 2: Convert to fraction form
    95.61/143.41 = 37.83/x
  3. Step 3: Cross multiply
    95.61x = 143.41 × 37.83
  4. Step 4: Simplify right side
    95.61x = 5,425.20
  5. Step 5: Solve for x
    x = 5,425.20/95.61
  6. Step 6: Final answer
    x = 56.74

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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.