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Finding the Fourth Proportional to 55.96, 84.04 and 44.60

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Solution

The fourth proportional to 55.96, 84.04 and 44.60 is: 66.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.96 : 84.04 = 44.60 : x
  2. Step 2: Convert to fraction form
    55.96/84.04 = 44.60/x
  3. Step 3: Cross multiply
    55.96x = 84.04 × 44.60
  4. Step 4: Simplify right side
    55.96x = 3,748.18
  5. Step 5: Solve for x
    x = 3,748.18/55.96
  6. Step 6: Final answer
    x = 66.98

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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.