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Finding the Fourth Proportional to 36.01, 53.95 and 30.89

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Solution

The fourth proportional to 36.01, 53.95 and 30.89 is: 46.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.01 : 53.95 = 30.89 : x
  2. Step 2: Convert to fraction form
    36.01/53.95 = 30.89/x
  3. Step 3: Cross multiply
    36.01x = 53.95 × 30.89
  4. Step 4: Simplify right side
    36.01x = 1,666.52
  5. Step 5: Solve for x
    x = 1,666.52/36.01
  6. Step 6: Final answer
    x = 46.28

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