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Finding the Fourth Proportional to 7,793,884.68, 11,687,836.24 and 2,675,360.20

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Solution

The fourth proportional to 7,793,884.68, 11,687,836.24 and 2,675,360.20 is: 4,012,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793,884.68 : 11,687,836.24 = 2,675,360.20 : x
  2. Step 2: Convert to fraction form
    7,793,884.68/11,687,836.24 = 2,675,360.20/x
  3. Step 3: Cross multiply
    7,793,884.68x = 11,687,836.24 × 2,675,360.20
  4. Step 4: Simplify right side
    7,793,884.68x = 31,269,171,900,613.65
  5. Step 5: Solve for x
    x = 31,269,171,900,613.65/7,793,884.68
  6. Step 6: Final answer
    x = 4,012,013.67

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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.