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Finding the Fourth Proportional to 49.53, 74.03 and 35.03

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Solution

The fourth proportional to 49.53, 74.03 and 35.03 is: 52.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.53 : 74.03 = 35.03 : x
  2. Step 2: Convert to fraction form
    49.53/74.03 = 35.03/x
  3. Step 3: Cross multiply
    49.53x = 74.03 × 35.03
  4. Step 4: Simplify right side
    49.53x = 2,592.73
  5. Step 5: Solve for x
    x = 2,592.73/49.53
  6. Step 6: Final answer
    x = 52.35

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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.