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Finding the Fourth Proportional to 62.45, 86.16 and 44.00

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Solution

The fourth proportional to 62.45, 86.16 and 44.00 is: 60.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.45 : 86.16 = 44.00 : x
  2. Step 2: Convert to fraction form
    62.45/86.16 = 44.00/x
  3. Step 3: Cross multiply
    62.45x = 86.16 × 44.00
  4. Step 4: Simplify right side
    62.45x = 3,790.61
  5. Step 5: Solve for x
    x = 3,790.61/62.45
  6. Step 6: Final answer
    x = 60.70

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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.