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Finding the Fourth Proportional to 8,462,769.32, 12,695,039.72 and 2,783,436.50

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Solution

The fourth proportional to 8,462,769.32, 12,695,039.72 and 2,783,436.50 is: 4,175,446.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462,769.32 : 12,695,039.72 = 2,783,436.50 : x
  2. Step 2: Convert to fraction form
    8,462,769.32/12,695,039.72 = 2,783,436.50/x
  3. Step 3: Cross multiply
    8,462,769.32x = 12,695,039.72 × 2,783,436.50
  4. Step 4: Simplify right side
    8,462,769.32x = 35,335,836,848,205.40
  5. Step 5: Solve for x
    x = 35,335,836,848,205.40/8,462,769.32
  6. Step 6: Final answer
    x = 4,175,446.07

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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.