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Finding the Fourth Proportional to 73,706.40, 110,520.36 and 29,310.24

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Solution

The fourth proportional to 73,706.40, 110,520.36 and 29,310.24 is: 43,949.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,706.40 : 110,520.36 = 29,310.24 : x
  2. Step 2: Convert to fraction form
    73,706.40/110,520.36 = 29,310.24/x
  3. Step 3: Cross multiply
    73,706.40x = 110,520.36 × 29,310.24
  4. Step 4: Simplify right side
    73,706.40x = 3,239,378,276.49
  5. Step 5: Solve for x
    x = 3,239,378,276.49/73,706.40
  6. Step 6: Final answer
    x = 43,949.76

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1.5x scale

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.