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Finding the Fourth Proportional to 8,154,696.80, 12,241,489.80 and 4,375,560.80

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Solution

The fourth proportional to 8,154,696.80, 12,241,489.80 and 4,375,560.80 is: 6,568,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154,696.80 : 12,241,489.80 = 4,375,560.80 : x
  2. Step 2: Convert to fraction form
    8,154,696.80/12,241,489.80 = 4,375,560.80/x
  3. Step 3: Cross multiply
    8,154,696.80x = 12,241,489.80 × 4,375,560.80
  4. Step 4: Simplify right side
    8,154,696.80x = 53,563,382,902,479.84
  5. Step 5: Solve for x
    x = 53,563,382,902,479.84/8,154,696.80
  6. Step 6: Final answer
    x = 6,568,408.88

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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.