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Finding the Fourth Proportional to 43.03, 64.49 and 24.96

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Solution

The fourth proportional to 43.03, 64.49 and 24.96 is: 37.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.03 : 64.49 = 24.96 : x
  2. Step 2: Convert to fraction form
    43.03/64.49 = 24.96/x
  3. Step 3: Cross multiply
    43.03x = 64.49 × 24.96
  4. Step 4: Simplify right side
    43.03x = 1,609.35
  5. Step 5: Solve for x
    x = 1,609.35/43.03
  6. Step 6: Final answer
    x = 37.40

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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.