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Finding the Fourth Proportional to 35.73, 53.19 and 33.98

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Solution

The fourth proportional to 35.73, 53.19 and 33.98 is: 50.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.73 : 53.19 = 33.98 : x
  2. Step 2: Convert to fraction form
    35.73/53.19 = 33.98/x
  3. Step 3: Cross multiply
    35.73x = 53.19 × 33.98
  4. Step 4: Simplify right side
    35.73x = 1,807.13
  5. Step 5: Solve for x
    x = 1,807.13/35.73
  6. Step 6: Final answer
    x = 50.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.