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Finding the Fourth Proportional to 49.81, 68.84 and 44.86

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Solution

The fourth proportional to 49.81, 68.84 and 44.86 is: 62.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.81 : 68.84 = 44.86 : x
  2. Step 2: Convert to fraction form
    49.81/68.84 = 44.86/x
  3. Step 3: Cross multiply
    49.81x = 68.84 × 44.86
  4. Step 4: Simplify right side
    49.81x = 3,088.16
  5. Step 5: Solve for x
    x = 3,088.16/49.81
  6. Step 6: Final answer
    x = 62.00

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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.