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Finding the Fourth Proportional to 17,309,410.20, 25,964,115.30 and 8,351,458.20

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Solution

The fourth proportional to 17,309,410.20, 25,964,115.30 and 8,351,458.20 is: 12,527,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309,410.20 : 25,964,115.30 = 8,351,458.20 : x
  2. Step 2: Convert to fraction form
    17,309,410.20/25,964,115.30 = 8,351,458.20/x
  3. Step 3: Cross multiply
    17,309,410.20x = 25,964,115.30 × 8,351,458.20
  4. Step 4: Simplify right side
    17,309,410.20x = 216,838,223,627,930.47
  5. Step 5: Solve for x
    x = 216,838,223,627,930.47/17,309,410.20
  6. Step 6: Final answer
    x = 12,527,187.30

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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.