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Finding the Fourth Proportional to 35.53, 48.99 and 32.45

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Solution

The fourth proportional to 35.53, 48.99 and 32.45 is: 44.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.53 : 48.99 = 32.45 : x
  2. Step 2: Convert to fraction form
    35.53/48.99 = 32.45/x
  3. Step 3: Cross multiply
    35.53x = 48.99 × 32.45
  4. Step 4: Simplify right side
    35.53x = 1,589.73
  5. Step 5: Solve for x
    x = 1,589.73/35.53
  6. Step 6: Final answer
    x = 44.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.