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Finding the Fourth Proportional to 3,775,807.80, 5,663,711.70 and 2,340,917.10

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Solution

The fourth proportional to 3,775,807.80, 5,663,711.70 and 2,340,917.10 is: 3,511,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775,807.80 : 5,663,711.70 = 2,340,917.10 : x
  2. Step 2: Convert to fraction form
    3,775,807.80/5,663,711.70 = 2,340,917.10/x
  3. Step 3: Cross multiply
    3,775,807.80x = 5,663,711.70 × 2,340,917.10
  4. Step 4: Simplify right side
    3,775,807.80x = 13,258,279,568,000.07
  5. Step 5: Solve for x
    x = 13,258,279,568,000.07/3,775,807.80
  6. Step 6: Final answer
    x = 3,511,375.65

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Double scale
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Similar ratio
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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.