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Finding the Fourth Proportional to 8,341,752.80, 12,512,629.20 and 2,662,551.20

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Solution

The fourth proportional to 8,341,752.80, 12,512,629.20 and 2,662,551.20 is: 3,993,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341,752.80 : 12,512,629.20 = 2,662,551.20 : x
  2. Step 2: Convert to fraction form
    8,341,752.80/12,512,629.20 = 2,662,551.20/x
  3. Step 3: Cross multiply
    8,341,752.80x = 12,512,629.20 × 2,662,551.20
  4. Step 4: Simplify right side
    8,341,752.80x = 33,315,515,891,615.04
  5. Step 5: Solve for x
    x = 33,315,515,891,615.04/8,341,752.80
  6. Step 6: Final answer
    x = 3,993,826.80

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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.