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Finding the Fourth Proportional to 5,867,755.70, 8,801,633.55 and 5,655,179.30

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Solution

The fourth proportional to 5,867,755.70, 8,801,633.55 and 5,655,179.30 is: 8,482,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,867,755.70 : 8,801,633.55 = 5,655,179.30 : x
  2. Step 2: Convert to fraction form
    5,867,755.70/8,801,633.55 = 5,655,179.30/x
  3. Step 3: Cross multiply
    5,867,755.70x = 8,801,633.55 × 5,655,179.30
  4. Step 4: Simplify right side
    5,867,755.70x = 49,774,815,858,145.52
  5. Step 5: Solve for x
    x = 49,774,815,858,145.52/5,867,755.70
  6. Step 6: Final answer
    x = 8,482,768.95

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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.