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Finding the Fourth Proportional to 75.01, 112.57 and 29.33

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Solution

The fourth proportional to 75.01, 112.57 and 29.33 is: 44.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.01 : 112.57 = 29.33 : x
  2. Step 2: Convert to fraction form
    75.01/112.57 = 29.33/x
  3. Step 3: Cross multiply
    75.01x = 112.57 × 29.33
  4. Step 4: Simplify right side
    75.01x = 3,301.68
  5. Step 5: Solve for x
    x = 3,301.68/75.01
  6. Step 6: Final answer
    x = 44.02

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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.