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Finding the Fourth Proportional to 32.99, 45.12 and 32.52

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Solution

The fourth proportional to 32.99, 45.12 and 32.52 is: 44.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.99 : 45.12 = 32.52 : x
  2. Step 2: Convert to fraction form
    32.99/45.12 = 32.52/x
  3. Step 3: Cross multiply
    32.99x = 45.12 × 32.52
  4. Step 4: Simplify right side
    32.99x = 1,467.14
  5. Step 5: Solve for x
    x = 1,467.14/32.99
  6. Step 6: Final answer
    x = 44.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.