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Finding the Fourth Proportional to 45.68, 68.44 and 24.32

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Solution

The fourth proportional to 45.68, 68.44 and 24.32 is: 36.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.68 : 68.44 = 24.32 : x
  2. Step 2: Convert to fraction form
    45.68/68.44 = 24.32/x
  3. Step 3: Cross multiply
    45.68x = 68.44 × 24.32
  4. Step 4: Simplify right side
    45.68x = 1,664.46
  5. Step 5: Solve for x
    x = 1,664.46/45.68
  6. Step 6: Final answer
    x = 36.44

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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.