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Finding the Fourth Proportional to 8,986,078.80, 13,479,175.80 and 3,595,179.60

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Solution

The fourth proportional to 8,986,078.80, 13,479,175.80 and 3,595,179.60 is: 5,392,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,078.80 : 13,479,175.80 = 3,595,179.60 : x
  2. Step 2: Convert to fraction form
    8,986,078.80/13,479,175.80 = 3,595,179.60/x
  3. Step 3: Cross multiply
    8,986,078.80x = 13,479,175.80 × 3,595,179.60
  4. Step 4: Simplify right side
    8,986,078.80x = 48,460,057,860,973.69
  5. Step 5: Solve for x
    x = 48,460,057,860,973.69/8,986,078.80
  6. Step 6: Final answer
    x = 5,392,792.44

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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.