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Finding the Fourth Proportional to 6,005,227.48, 9,005,978.43 and 2,166,550.87

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Solution

The fourth proportional to 6,005,227.48, 9,005,978.43 and 2,166,550.87 is: 3,249,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005,227.48 : 9,005,978.43 = 2,166,550.87 : x
  2. Step 2: Convert to fraction form
    6,005,227.48/9,005,978.43 = 2,166,550.87/x
  3. Step 3: Cross multiply
    6,005,227.48x = 9,005,978.43 × 2,166,550.87
  4. Step 4: Simplify right side
    6,005,227.48x = 19,511,910,357,687.84
  5. Step 5: Solve for x
    x = 19,511,910,357,687.84/6,005,227.48
  6. Step 6: Final answer
    x = 3,249,154.25

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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.