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Finding the Fourth Proportional to 35.19, 48.36 and 33.23

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Solution

The fourth proportional to 35.19, 48.36 and 33.23 is: 45.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.19 : 48.36 = 33.23 : x
  2. Step 2: Convert to fraction form
    35.19/48.36 = 33.23/x
  3. Step 3: Cross multiply
    35.19x = 48.36 × 33.23
  4. Step 4: Simplify right side
    35.19x = 1,606.76
  5. Step 5: Solve for x
    x = 1,606.76/35.19
  6. Step 6: Final answer
    x = 45.66

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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.