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Finding the Fourth Proportional to 7,949,063.20, 11,924,469.60 and 2,901,467.20

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Solution

The fourth proportional to 7,949,063.20, 11,924,469.60 and 2,901,467.20 is: 4,352,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949,063.20 : 11,924,469.60 = 2,901,467.20 : x
  2. Step 2: Convert to fraction form
    7,949,063.20/11,924,469.60 = 2,901,467.20/x
  3. Step 3: Cross multiply
    7,949,063.20x = 11,924,469.60 × 2,901,467.20
  4. Step 4: Simplify right side
    7,949,063.20x = 34,598,457,421,797.12
  5. Step 5: Solve for x
    x = 34,598,457,421,797.12/7,949,063.20
  6. Step 6: Final answer
    x = 4,352,520.11

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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.