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Finding the Fourth Proportional to 6,655,264.92, 9,982,897.38 and 2,167,540.92

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Solution

The fourth proportional to 6,655,264.92, 9,982,897.38 and 2,167,540.92 is: 3,251,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655,264.92 : 9,982,897.38 = 2,167,540.92 : x
  2. Step 2: Convert to fraction form
    6,655,264.92/9,982,897.38 = 2,167,540.92/x
  3. Step 3: Cross multiply
    6,655,264.92x = 9,982,897.38 × 2,167,540.92
  4. Step 4: Simplify right side
    6,655,264.92x = 21,638,338,571,310.79
  5. Step 5: Solve for x
    x = 21,638,338,571,310.79/6,655,264.92
  6. Step 6: Final answer
    x = 3,251,311.38

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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.