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Finding the Fourth Proportional to 3,856,944.86, 5,784,882 and 2,700,685.52

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Solution

The fourth proportional to 3,856,944.86, 5,784,882 and 2,700,685.52 is: 4,050,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,944.86 : 5,784,882 = 2,700,685.52 : x
  2. Step 2: Convert to fraction form
    3,856,944.86/5,784,882 = 2,700,685.52/x
  3. Step 3: Cross multiply
    3,856,944.86x = 5,784,882 × 2,700,685.52
  4. Step 4: Simplify right side
    3,856,944.86x = 15,623,147,052,308.64
  5. Step 5: Solve for x
    x = 15,623,147,052,308.64/3,856,944.86
  6. Step 6: Final answer
    x = 4,050,653.46

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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.