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Finding the Fourth Proportional to 3,889,806.81, 5,829,985.98 and 2,752,901.25

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Solution

The fourth proportional to 3,889,806.81, 5,829,985.98 and 2,752,901.25 is: 4,126,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,806.81 : 5,829,985.98 = 2,752,901.25 : x
  2. Step 2: Convert to fraction form
    3,889,806.81/5,829,985.98 = 2,752,901.25/x
  3. Step 3: Cross multiply
    3,889,806.81x = 5,829,985.98 × 2,752,901.25
  4. Step 4: Simplify right side
    3,889,806.81x = 16,049,375,691,824.48
  5. Step 5: Solve for x
    x = 16,049,375,691,824.48/3,889,806.81
  6. Step 6: Final answer
    x = 4,126,008.43

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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.