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Finding the Fourth Proportional to 55.89, 84.24 and 46.44

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Solution

The fourth proportional to 55.89, 84.24 and 46.44 is: 70.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.89 : 84.24 = 46.44 : x
  2. Step 2: Convert to fraction form
    55.89/84.24 = 46.44/x
  3. Step 3: Cross multiply
    55.89x = 84.24 × 46.44
  4. Step 4: Simplify right side
    55.89x = 3,912.11
  5. Step 5: Solve for x
    x = 3,912.11/55.89
  6. Step 6: Final answer
    x = 70.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.