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Finding the Fourth Proportional to 5,310,764.21, 7,327,594.90 and 3,018,744.47

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Solution

The fourth proportional to 5,310,764.21, 7,327,594.90 and 3,018,744.47 is: 4,165,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,764.21 : 7,327,594.90 = 3,018,744.47 : x
  2. Step 2: Convert to fraction form
    5,310,764.21/7,327,594.90 = 3,018,744.47/x
  3. Step 3: Cross multiply
    5,310,764.21x = 7,327,594.90 × 3,018,744.47
  4. Step 4: Simplify right side
    5,310,764.21x = 22,120,136,604,867.62
  5. Step 5: Solve for x
    x = 22,120,136,604,867.62/5,310,764.21
  6. Step 6: Final answer
    x = 4,165,151.33

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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.