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Finding the Fourth Proportional to 3,652,889.82, 5,479,371.72 and 1,631,236.74

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Solution

The fourth proportional to 3,652,889.82, 5,479,371.72 and 1,631,236.74 is: 2,446,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652,889.82 : 5,479,371.72 = 1,631,236.74 : x
  2. Step 2: Convert to fraction form
    3,652,889.82/5,479,371.72 = 1,631,236.74/x
  3. Step 3: Cross multiply
    3,652,889.82x = 5,479,371.72 × 1,631,236.74
  4. Step 4: Simplify right side
    3,652,889.82x = 8,938,152,461,780.99
  5. Step 5: Solve for x
    x = 8,938,152,461,780.99/3,652,889.82
  6. Step 6: Final answer
    x = 2,446,871.63

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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.