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Finding the Fourth Proportional to 75.54, 113.33 and 35.01

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Solution

The fourth proportional to 75.54, 113.33 and 35.01 is: 52.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.54 : 113.33 = 35.01 : x
  2. Step 2: Convert to fraction form
    75.54/113.33 = 35.01/x
  3. Step 3: Cross multiply
    75.54x = 113.33 × 35.01
  4. Step 4: Simplify right side
    75.54x = 3,967.68
  5. Step 5: Solve for x
    x = 3,967.68/75.54
  6. Step 6: Final answer
    x = 52.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.