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Finding the Fourth Proportional to 16,965,401.20, 25,448,101.80 and 10,246,937.20

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Solution

The fourth proportional to 16,965,401.20, 25,448,101.80 and 10,246,937.20 is: 15,370,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965,401.20 : 25,448,101.80 = 10,246,937.20 : x
  2. Step 2: Convert to fraction form
    16,965,401.20/25,448,101.80 = 10,246,937.20/x
  3. Step 3: Cross multiply
    16,965,401.20x = 25,448,101.80 × 10,246,937.20
  4. Step 4: Simplify right side
    16,965,401.20x = 260,765,101,003,806.94
  5. Step 5: Solve for x
    x = 260,765,101,003,806.94/16,965,401.20
  6. Step 6: Final answer
    x = 15,370,405.80

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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.