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Finding the Fourth Proportional to 5,612,775.92, 7,748,221.56 and 3,289,347.44

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Solution

The fourth proportional to 5,612,775.92, 7,748,221.56 and 3,289,347.44 is: 4,540,817.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612,775.92 : 7,748,221.56 = 3,289,347.44 : x
  2. Step 2: Convert to fraction form
    5,612,775.92/7,748,221.56 = 3,289,347.44/x
  3. Step 3: Cross multiply
    5,612,775.92x = 7,748,221.56 × 3,289,347.44
  4. Step 4: Simplify right side
    5,612,775.92x = 25,486,592,752,938.80
  5. Step 5: Solve for x
    x = 25,486,592,752,938.80/5,612,775.92
  6. Step 6: Final answer
    x = 4,540,817.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.