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Finding the Fourth Proportional to 10,928,329.80, 16,392,494.70 and 6,676,801.80

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Solution

The fourth proportional to 10,928,329.80, 16,392,494.70 and 6,676,801.80 is: 10,015,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928,329.80 : 16,392,494.70 = 6,676,801.80 : x
  2. Step 2: Convert to fraction form
    10,928,329.80/16,392,494.70 = 6,676,801.80/x
  3. Step 3: Cross multiply
    10,928,329.80x = 16,392,494.70 × 6,676,801.80
  4. Step 4: Simplify right side
    10,928,329.80x = 109,449,438,119,450.45
  5. Step 5: Solve for x
    x = 109,449,438,119,450.45/10,928,329.80
  6. Step 6: Final answer
    x = 10,015,202.70

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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.