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Finding the Fourth Proportional to 15,763,596, 21,753,756.72 and 8,520,252

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Solution

The fourth proportional to 15,763,596, 21,753,756.72 and 8,520,252 is: 11,757,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763,596 : 21,753,756.72 = 8,520,252 : x
  2. Step 2: Convert to fraction form
    15,763,596/21,753,756.72 = 8,520,252/x
  3. Step 3: Cross multiply
    15,763,596x = 21,753,756.72 × 8,520,252
  4. Step 4: Simplify right side
    15,763,596x = 185,347,489,201,093.44
  5. Step 5: Solve for x
    x = 185,347,489,201,093.44/15,763,596
  6. Step 6: Final answer
    x = 11,757,944.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.