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Finding the Fourth Proportional to 5,661,571.43, 8,492,357.15 and 1,401,739.71

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Solution

The fourth proportional to 5,661,571.43, 8,492,357.15 and 1,401,739.71 is: 2,102,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661,571.43 : 8,492,357.15 = 1,401,739.71 : x
  2. Step 2: Convert to fraction form
    5,661,571.43/8,492,357.15 = 1,401,739.71/x
  3. Step 3: Cross multiply
    5,661,571.43x = 8,492,357.15 × 1,401,739.71
  4. Step 4: Simplify right side
    5,661,571.43x = 11,904,074,241,648.73
  5. Step 5: Solve for x
    x = 11,904,074,241,648.73/5,661,571.43
  6. Step 6: Final answer
    x = 2,102,609.57

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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.