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Finding the Fourth Proportional to 8,945,698.88, 12,344,740.43 and 5,466,857.80

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Solution

The fourth proportional to 8,945,698.88, 12,344,740.43 and 5,466,857.80 is: 7,544,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945,698.88 : 12,344,740.43 = 5,466,857.80 : x
  2. Step 2: Convert to fraction form
    8,945,698.88/12,344,740.43 = 5,466,857.80/x
  3. Step 3: Cross multiply
    8,945,698.88x = 12,344,740.43 × 5,466,857.80
  4. Step 4: Simplify right side
    8,945,698.88x = 67,486,940,454,324.33
  5. Step 5: Solve for x
    x = 67,486,940,454,324.33/8,945,698.88
  6. Step 6: Final answer
    x = 7,544,065.74

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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.