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Finding the Fourth Proportional to 76.01, 114 and 35.39

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Solution

The fourth proportional to 76.01, 114 and 35.39 is: 53.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76.01 : 114 = 35.39 : x
  2. Step 2: Convert to fraction form
    76.01/114 = 35.39/x
  3. Step 3: Cross multiply
    76.01x = 114 × 35.39
  4. Step 4: Simplify right side
    76.01x = 4,034.75
  5. Step 5: Solve for x
    x = 4,034.75/76.01
  6. Step 6: Final answer
    x = 53.08

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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.