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Finding the Fourth Proportional to 7,394,649.22, 11,101,107.80 and 3,507,822.51

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Solution

The fourth proportional to 7,394,649.22, 11,101,107.80 and 3,507,822.51 is: 5,266,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394,649.22 : 11,101,107.80 = 3,507,822.51 : x
  2. Step 2: Convert to fraction form
    7,394,649.22/11,101,107.80 = 3,507,822.51/x
  3. Step 3: Cross multiply
    7,394,649.22x = 11,101,107.80 × 3,507,822.51
  4. Step 4: Simplify right side
    7,394,649.22x = 38,940,715,826,776.58
  5. Step 5: Solve for x
    x = 38,940,715,826,776.58/7,394,649.22
  6. Step 6: Final answer
    x = 5,266,066.67

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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.