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Finding the Fourth Proportional to 10,992,356.70, 16,488,535.05 and 9,362,604.30

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Solution

The fourth proportional to 10,992,356.70, 16,488,535.05 and 9,362,604.30 is: 14,043,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,356.70 : 16,488,535.05 = 9,362,604.30 : x
  2. Step 2: Convert to fraction form
    10,992,356.70/16,488,535.05 = 9,362,604.30/x
  3. Step 3: Cross multiply
    10,992,356.70x = 16,488,535.05 × 9,362,604.30
  4. Step 4: Simplify right side
    10,992,356.70x = 154,375,629,159,830.72
  5. Step 5: Solve for x
    x = 154,375,629,159,830.72/10,992,356.70
  6. Step 6: Final answer
    x = 14,043,906.45

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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.