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Finding the Fourth Proportional to 32.69, 48.99 and 25.05

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Solution

The fourth proportional to 32.69, 48.99 and 25.05 is: 37.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.69 : 48.99 = 25.05 : x
  2. Step 2: Convert to fraction form
    32.69/48.99 = 25.05/x
  3. Step 3: Cross multiply
    32.69x = 48.99 × 25.05
  4. Step 4: Simplify right side
    32.69x = 1,227.20
  5. Step 5: Solve for x
    x = 1,227.20/32.69
  6. Step 6: Final answer
    x = 37.55

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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.