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Finding the Fourth Proportional to 5,867,774.70, 8,801,662.05 and 5,655,198.30

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Solution

The fourth proportional to 5,867,774.70, 8,801,662.05 and 5,655,198.30 is: 8,482,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,867,774.70 : 8,801,662.05 = 5,655,198.30 : x
  2. Step 2: Convert to fraction form
    5,867,774.70/8,801,662.05 = 5,655,198.30/x
  3. Step 3: Cross multiply
    5,867,774.70x = 8,801,662.05 × 5,655,198.30
  4. Step 4: Simplify right side
    5,867,774.70x = 49,775,144,262,334.52
  5. Step 5: Solve for x
    x = 49,775,144,262,334.52/5,867,774.70
  6. Step 6: Final answer
    x = 8,482,797.45

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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.