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Finding the Fourth Proportional to 33,706,046.80, 50,571,511.80 and 10,987,685.20

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Solution

The fourth proportional to 33,706,046.80, 50,571,511.80 and 10,987,685.20 is: 16,485,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,706,046.80 : 50,571,511.80 = 10,987,685.20 : x
  2. Step 2: Convert to fraction form
    33,706,046.80/50,571,511.80 = 10,987,685.20/x
  3. Step 3: Cross multiply
    33,706,046.80x = 50,571,511.80 × 10,987,685.20
  4. Step 4: Simplify right side
    33,706,046.80x = 555,663,851,746,485.31
  5. Step 5: Solve for x
    x = 555,663,851,746,485.31/33,706,046.80
  6. Step 6: Final answer
    x = 16,485,583.58

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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.