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Finding the Fourth Proportional to 6,714,839.79, 9,266,490.72 and 3,659,054.04

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Solution

The fourth proportional to 6,714,839.79, 9,266,490.72 and 3,659,054.04 is: 5,049,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,714,839.79 : 9,266,490.72 = 3,659,054.04 : x
  2. Step 2: Convert to fraction form
    6,714,839.79/9,266,490.72 = 3,659,054.04/x
  3. Step 3: Cross multiply
    6,714,839.79x = 9,266,490.72 × 3,659,054.04
  4. Step 4: Simplify right side
    6,714,839.79x = 33,906,590,305,638.51
  5. Step 5: Solve for x
    x = 33,906,590,305,638.51/6,714,839.79
  6. Step 6: Final answer
    x = 5,049,501.01

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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.