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Finding the Fourth Proportional to 6,807,166.65, 9,393,890.17 and 3,751,380.90

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Solution

The fourth proportional to 6,807,166.65, 9,393,890.17 and 3,751,380.90 is: 5,176,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807,166.65 : 9,393,890.17 = 3,751,380.90 : x
  2. Step 2: Convert to fraction form
    6,807,166.65/9,393,890.17 = 3,751,380.90/x
  3. Step 3: Cross multiply
    6,807,166.65x = 9,393,890.17 × 3,751,380.90
  4. Step 4: Simplify right side
    6,807,166.65x = 35,240,060,094,709.39
  5. Step 5: Solve for x
    x = 35,240,060,094,709.39/6,807,166.65
  6. Step 6: Final answer
    x = 5,176,905.74

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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.