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Finding the Fourth Proportional to 39,794,643.68, 59,691,964.88 and 11,040,783.84

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Solution

The fourth proportional to 39,794,643.68, 59,691,964.88 and 11,040,783.84 is: 16,561,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,794,643.68 : 59,691,964.88 = 11,040,783.84 : x
  2. Step 2: Convert to fraction form
    39,794,643.68/59,691,964.88 = 11,040,783.84/x
  3. Step 3: Cross multiply
    39,794,643.68x = 59,691,964.88 × 11,040,783.84
  4. Step 4: Simplify right side
    39,794,643.68x = 659,046,081,224,951.50
  5. Step 5: Solve for x
    x = 659,046,081,224,951.50/39,794,643.68
  6. Step 6: Final answer
    x = 16,561,175.58

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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.