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Finding the Fourth Proportional to 51.99, 71.73 and 32.58

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Solution

The fourth proportional to 51.99, 71.73 and 32.58 is: 44.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.99 : 71.73 = 32.58 : x
  2. Step 2: Convert to fraction form
    51.99/71.73 = 32.58/x
  3. Step 3: Cross multiply
    51.99x = 71.73 × 32.58
  4. Step 4: Simplify right side
    51.99x = 2,337.04
  5. Step 5: Solve for x
    x = 2,337.04/51.99
  6. Step 6: Final answer
    x = 44.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.