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Finding the Fourth Proportional to 44.68, 67.03 and 19.02

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Solution

The fourth proportional to 44.68, 67.03 and 19.02 is: 28.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.68 : 67.03 = 19.02 : x
  2. Step 2: Convert to fraction form
    44.68/67.03 = 19.02/x
  3. Step 3: Cross multiply
    44.68x = 67.03 × 19.02
  4. Step 4: Simplify right side
    44.68x = 1,274.79
  5. Step 5: Solve for x
    x = 1,274.79/44.68
  6. Step 6: Final answer
    x = 28.53

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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.