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Finding the Fourth Proportional to 45.23, 62.36 and 35.99

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Solution

The fourth proportional to 45.23, 62.36 and 35.99 is: 49.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.23 : 62.36 = 35.99 : x
  2. Step 2: Convert to fraction form
    45.23/62.36 = 35.99/x
  3. Step 3: Cross multiply
    45.23x = 62.36 × 35.99
  4. Step 4: Simplify right side
    45.23x = 2,243.84
  5. Step 5: Solve for x
    x = 2,243.84/45.23
  6. Step 6: Final answer
    x = 49.62

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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.