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Finding the Fourth Proportional to 6,352,641.49, 8,766,638.57 and 3,452,025.45

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Solution

The fourth proportional to 6,352,641.49, 8,766,638.57 and 3,452,025.45 is: 4,763,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,352,641.49 : 8,766,638.57 = 3,452,025.45 : x
  2. Step 2: Convert to fraction form
    6,352,641.49/8,766,638.57 = 3,452,025.45/x
  3. Step 3: Cross multiply
    6,352,641.49x = 8,766,638.57 × 3,452,025.45
  4. Step 4: Simplify right side
    6,352,641.49x = 30,262,659,454,591.61
  5. Step 5: Solve for x
    x = 30,262,659,454,591.61/6,352,641.49
  6. Step 6: Final answer
    x = 4,763,791.49

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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.