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Finding the Fourth Proportional to 24,486,161.60, 36,685,005.60 and 20,947,217.60

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Solution

The fourth proportional to 24,486,161.60, 36,685,005.60 and 20,947,217.60 is: 31,382,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,486,161.60 : 36,685,005.60 = 20,947,217.60 : x
  2. Step 2: Convert to fraction form
    24,486,161.60/36,685,005.60 = 20,947,217.60/x
  3. Step 3: Cross multiply
    24,486,161.60x = 36,685,005.60 × 20,947,217.60
  4. Step 4: Simplify right side
    24,486,161.60x = 768,448,794,960,418.62
  5. Step 5: Solve for x
    x = 768,448,794,960,418.62/24,486,161.60
  6. Step 6: Final answer
    x = 31,382,983.07

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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.