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Finding the Fourth Proportional to 6,461,608.83, 8,917,081.07 and 3,561,104.13

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Solution

The fourth proportional to 6,461,608.83, 8,917,081.07 and 3,561,104.13 is: 4,914,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,608.83 : 8,917,081.07 = 3,561,104.13 : x
  2. Step 2: Convert to fraction form
    6,461,608.83/8,917,081.07 = 3,561,104.13/x
  3. Step 3: Cross multiply
    6,461,608.83x = 8,917,081.07 × 3,561,104.13
  4. Step 4: Simplify right side
    6,461,608.83x = 31,754,654,208,116.30
  5. Step 5: Solve for x
    x = 31,754,654,208,116.30/6,461,608.83
  6. Step 6: Final answer
    x = 4,914,357.25

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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.