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Finding the Fourth Proportional to 7,365,446.80, 11,029,507.80 and 5,872,454.80

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Solution

The fourth proportional to 7,365,446.80, 11,029,507.80 and 5,872,454.80 is: 8,793,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365,446.80 : 11,029,507.80 = 5,872,454.80 : x
  2. Step 2: Convert to fraction form
    7,365,446.80/11,029,507.80 = 5,872,454.80/x
  3. Step 3: Cross multiply
    7,365,446.80x = 11,029,507.80 × 5,872,454.80
  4. Step 4: Simplify right side
    7,365,446.80x = 64,770,286,021,747.45
  5. Step 5: Solve for x
    x = 64,770,286,021,747.45/7,365,446.80
  6. Step 6: Final answer
    x = 8,793,802.71

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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.