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Finding the Fourth Proportional to 46.35, 69.54 and 37.83

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Solution

The fourth proportional to 46.35, 69.54 and 37.83 is: 56.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.35 : 69.54 = 37.83 : x
  2. Step 2: Convert to fraction form
    46.35/69.54 = 37.83/x
  3. Step 3: Cross multiply
    46.35x = 69.54 × 37.83
  4. Step 4: Simplify right side
    46.35x = 2,630.70
  5. Step 5: Solve for x
    x = 2,630.70/46.35
  6. Step 6: Final answer
    x = 56.76

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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.