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Finding the Fourth Proportional to 6,326,735.50, 8,731,057.26 and 3,880,698.04

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Solution

The fourth proportional to 6,326,735.50, 8,731,057.26 and 3,880,698.04 is: 5,355,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326,735.50 : 8,731,057.26 = 3,880,698.04 : x
  2. Step 2: Convert to fraction form
    6,326,735.50/8,731,057.26 = 3,880,698.04/x
  3. Step 3: Cross multiply
    6,326,735.50x = 8,731,057.26 × 3,880,698.04
  4. Step 4: Simplify right side
    6,326,735.50x = 33,882,596,796,009.77
  5. Step 5: Solve for x
    x = 33,882,596,796,009.77/6,326,735.50
  6. Step 6: Final answer
    x = 5,355,462.83

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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.