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Finding the Fourth Proportional to 35.56, 53.32 and 15.27

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Solution

The fourth proportional to 35.56, 53.32 and 15.27 is: 22.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.56 : 53.32 = 15.27 : x
  2. Step 2: Convert to fraction form
    35.56/53.32 = 15.27/x
  3. Step 3: Cross multiply
    35.56x = 53.32 × 15.27
  4. Step 4: Simplify right side
    35.56x = 813.93
  5. Step 5: Solve for x
    x = 813.93/35.56
  6. Step 6: Final answer
    x = 22.89

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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.