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Finding the Fourth Proportional to 65,874.81, 90,951.14 and 44,396.50

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Solution

The fourth proportional to 65,874.81, 90,951.14 and 44,396.50 is: 61,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,874.81 : 90,951.14 = 44,396.50 : x
  2. Step 2: Convert to fraction form
    65,874.81/90,951.14 = 44,396.50/x
  3. Step 3: Cross multiply
    65,874.81x = 90,951.14 × 44,396.50
  4. Step 4: Simplify right side
    65,874.81x = 4,037,912,065.03
  5. Step 5: Solve for x
    x = 4,037,912,065.03/65,874.81
  6. Step 6: Final answer
    x = 61,296.75

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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.