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Finding the Fourth Proportional to 32.99, 45.47 and 24.23

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Solution

The fourth proportional to 32.99, 45.47 and 24.23 is: 33.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.99 : 45.47 = 24.23 : x
  2. Step 2: Convert to fraction form
    32.99/45.47 = 24.23/x
  3. Step 3: Cross multiply
    32.99x = 45.47 × 24.23
  4. Step 4: Simplify right side
    32.99x = 1,101.91
  5. Step 5: Solve for x
    x = 1,101.91/32.99
  6. Step 6: Final answer
    x = 33.41

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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.