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Finding the Fourth Proportional to 32.69, 49.00 and 25.45

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Solution

The fourth proportional to 32.69, 49.00 and 25.45 is: 38.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.69 : 49.00 = 25.45 : x
  2. Step 2: Convert to fraction form
    32.69/49.00 = 25.45/x
  3. Step 3: Cross multiply
    32.69x = 49.00 × 25.45
  4. Step 4: Simplify right side
    32.69x = 1,246.86
  5. Step 5: Solve for x
    x = 1,246.86/32.69
  6. Step 6: Final answer
    x = 38.14

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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.