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Finding the Fourth Proportional to 44,285, 66,346.50 and 34,817.72

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Solution

The fourth proportional to 44,285, 66,346.50 and 34,817.72 is: 52,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,285 : 66,346.50 = 34,817.72 : x
  2. Step 2: Convert to fraction form
    44,285/66,346.50 = 34,817.72/x
  3. Step 3: Cross multiply
    44,285x = 66,346.50 × 34,817.72
  4. Step 4: Simplify right side
    44,285x = 2,310,033,859.98
  5. Step 5: Solve for x
    x = 2,310,033,859.98/44,285
  6. Step 6: Final answer
    x = 52,162.90

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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.