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Finding the Fourth Proportional to 6,195,407.79, 8,550,892.79 and 3,958,755.60

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Solution

The fourth proportional to 6,195,407.79, 8,550,892.79 and 3,958,755.60 is: 5,463,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,195,407.79 : 8,550,892.79 = 3,958,755.60 : x
  2. Step 2: Convert to fraction form
    6,195,407.79/8,550,892.79 = 3,958,755.60/x
  3. Step 3: Cross multiply
    6,195,407.79x = 8,550,892.79 × 3,958,755.60
  4. Step 4: Simplify right side
    6,195,407.79x = 33,850,894,717,412.12
  5. Step 5: Solve for x
    x = 33,850,894,717,412.12/6,195,407.79
  6. Step 6: Final answer
    x = 5,463,868.70

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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.