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Finding the Fourth Proportional to 60.55, 83.56 and 35.98

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Solution

The fourth proportional to 60.55, 83.56 and 35.98 is: 49.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.55 : 83.56 = 35.98 : x
  2. Step 2: Convert to fraction form
    60.55/83.56 = 35.98/x
  3. Step 3: Cross multiply
    60.55x = 83.56 × 35.98
  4. Step 4: Simplify right side
    60.55x = 3,006.49
  5. Step 5: Solve for x
    x = 3,006.49/60.55
  6. Step 6: Final answer
    x = 49.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.