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Finding the Fourth Proportional to 32.85, 49.15 and 24.70

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Solution

The fourth proportional to 32.85, 49.15 and 24.70 is: 36.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.85 : 49.15 = 24.70 : x
  2. Step 2: Convert to fraction form
    32.85/49.15 = 24.70/x
  3. Step 3: Cross multiply
    32.85x = 49.15 × 24.70
  4. Step 4: Simplify right side
    32.85x = 1,214.01
  5. Step 5: Solve for x
    x = 1,214.01/32.85
  6. Step 6: Final answer
    x = 36.96

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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.