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Finding the Fourth Proportional to 2,752,673.18, 3,798,749.15 and 1,512,299.50

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Solution

The fourth proportional to 2,752,673.18, 3,798,749.15 and 1,512,299.50 is: 2,087,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,673.18 : 3,798,749.15 = 1,512,299.50 : x
  2. Step 2: Convert to fraction form
    2,752,673.18/3,798,749.15 = 1,512,299.50/x
  3. Step 3: Cross multiply
    2,752,673.18x = 3,798,749.15 × 1,512,299.50
  4. Step 4: Simplify right side
    2,752,673.18x = 5,744,846,440,170.43
  5. Step 5: Solve for x
    x = 5,744,846,440,170.43/2,752,673.18
  6. Step 6: Final answer
    x = 2,087,006.37

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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.