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Finding the Fourth Proportional to 6,512,873.43, 8,981,884.02 and 4,065,711.56

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Solution

The fourth proportional to 6,512,873.43, 8,981,884.02 and 4,065,711.56 is: 5,607,010.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512,873.43 : 8,981,884.02 = 4,065,711.56 : x
  2. Step 2: Convert to fraction form
    6,512,873.43/8,981,884.02 = 4,065,711.56/x
  3. Step 3: Cross multiply
    6,512,873.43x = 8,981,884.02 × 4,065,711.56
  4. Step 4: Simplify right side
    6,512,873.43x = 36,517,749,690,693.27
  5. Step 5: Solve for x
    x = 36,517,749,690,693.27/6,512,873.43
  6. Step 6: Final answer
    x = 5,607,010.50

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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.