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Finding the Fourth Proportional to 6,796,914.90, 9,379,781.57 and 3,699,430.88

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Solution

The fourth proportional to 6,796,914.90, 9,379,781.57 and 3,699,430.88 is: 5,105,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,796,914.90 : 9,379,781.57 = 3,699,430.88 : x
  2. Step 2: Convert to fraction form
    6,796,914.90/9,379,781.57 = 3,699,430.88/x
  3. Step 3: Cross multiply
    6,796,914.90x = 9,379,781.57 × 3,699,430.88
  4. Step 4: Simplify right side
    6,796,914.90x = 34,699,853,550,062.55
  5. Step 5: Solve for x
    x = 34,699,853,550,062.55/6,796,914.90
  6. Step 6: Final answer
    x = 5,105,235.84

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1.5x scale

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.