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Finding the Fourth Proportional to 6,651,006.92, 9,966,362.54 and 3,457,170.44

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Solution

The fourth proportional to 6,651,006.92, 9,966,362.54 and 3,457,170.44 is: 5,180,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651,006.92 : 9,966,362.54 = 3,457,170.44 : x
  2. Step 2: Convert to fraction form
    6,651,006.92/9,966,362.54 = 3,457,170.44/x
  3. Step 3: Cross multiply
    6,651,006.92x = 9,966,362.54 × 3,457,170.44
  4. Step 4: Simplify right side
    6,651,006.92x = 34,455,413,967,611.31
  5. Step 5: Solve for x
    x = 34,455,413,967,611.31/6,651,006.92
  6. Step 6: Final answer
    x = 5,180,480.85

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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.