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Finding the Fourth Proportional to 6,504,991.86, 8,976,879.96 and 3,604,570.58

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Solution

The fourth proportional to 6,504,991.86, 8,976,879.96 and 3,604,570.58 is: 4,974,302.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504,991.86 : 8,976,879.96 = 3,604,570.58 : x
  2. Step 2: Convert to fraction form
    6,504,991.86/8,976,879.96 = 3,604,570.58/x
  3. Step 3: Cross multiply
    6,504,991.86x = 8,976,879.96 × 3,604,570.58
  4. Step 4: Simplify right side
    6,504,991.86x = 32,357,797,404,007.58
  5. Step 5: Solve for x
    x = 32,357,797,404,007.58/6,504,991.86
  6. Step 6: Final answer
    x = 4,974,302.52

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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.