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Finding the Fourth Proportional to 6,765,711.71, 9,327,649.94 and 5,374,888.11

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Solution

The fourth proportional to 6,765,711.71, 9,327,649.94 and 5,374,888.11 is: 7,410,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765,711.71 : 9,327,649.94 = 5,374,888.11 : x
  2. Step 2: Convert to fraction form
    6,765,711.71/9,327,649.94 = 5,374,888.11/x
  3. Step 3: Cross multiply
    6,765,711.71x = 9,327,649.94 × 5,374,888.11
  4. Step 4: Simplify right side
    6,765,711.71x = 50,135,074,750,029.61
  5. Step 5: Solve for x
    x = 50,135,074,750,029.61/6,765,711.71
  6. Step 6: Final answer
    x = 7,410,170.12

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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.