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Finding the Fourth Proportional to 5,987,341.80, 8,981,012.70 and 2,792,790.90

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Solution

The fourth proportional to 5,987,341.80, 8,981,012.70 and 2,792,790.90 is: 4,189,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987,341.80 : 8,981,012.70 = 2,792,790.90 : x
  2. Step 2: Convert to fraction form
    5,987,341.80/8,981,012.70 = 2,792,790.90/x
  3. Step 3: Cross multiply
    5,987,341.80x = 8,981,012.70 × 2,792,790.90
  4. Step 4: Simplify right side
    5,987,341.80x = 25,082,090,541,344.43
  5. Step 5: Solve for x
    x = 25,082,090,541,344.43/5,987,341.80
  6. Step 6: Final answer
    x = 4,189,186.35

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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.