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Finding the Fourth Proportional to 6,448,799.92, 9,679,260.39 and 3,376,995.58

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Solution

The fourth proportional to 6,448,799.92, 9,679,260.39 and 3,376,995.58 is: 5,068,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,799.92 : 9,679,260.39 = 3,376,995.58 : x
  2. Step 2: Convert to fraction form
    6,448,799.92/9,679,260.39 = 3,376,995.58/x
  3. Step 3: Cross multiply
    6,448,799.92x = 9,679,260.39 × 3,376,995.58
  4. Step 4: Simplify right side
    6,448,799.92x = 32,686,819,554,699.08
  5. Step 5: Solve for x
    x = 32,686,819,554,699.08/6,448,799.92
  6. Step 6: Final answer
    x = 5,068,667.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.