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Finding the Fourth Proportional to 6,401,356.82, 8,843,819.18 and 5,367,261.27

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Solution

The fourth proportional to 6,401,356.82, 8,843,819.18 and 5,367,261.27 is: 7,415,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401,356.82 : 8,843,819.18 = 5,367,261.27 : x
  2. Step 2: Convert to fraction form
    6,401,356.82/8,843,819.18 = 5,367,261.27/x
  3. Step 3: Cross multiply
    6,401,356.82x = 8,843,819.18 × 5,367,261.27
  4. Step 4: Simplify right side
    6,401,356.82x = 47,467,088,163,697.16
  5. Step 5: Solve for x
    x = 47,467,088,163,697.16/6,401,356.82
  6. Step 6: Final answer
    x = 7,415,160.49

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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.