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Finding the Fourth Proportional to 5,992,139.80, 8,982,960.90 and 3,593,438.20

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Solution

The fourth proportional to 5,992,139.80, 8,982,960.90 and 3,593,438.20 is: 5,387,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,992,139.80 : 8,982,960.90 = 3,593,438.20 : x
  2. Step 2: Convert to fraction form
    5,992,139.80/8,982,960.90 = 3,593,438.20/x
  3. Step 3: Cross multiply
    5,992,139.80x = 8,982,960.90 × 3,593,438.20
  4. Step 4: Simplify right side
    5,992,139.80x = 32,279,714,847,166.38
  5. Step 5: Solve for x
    x = 32,279,714,847,166.38/5,992,139.80
  6. Step 6: Final answer
    x = 5,387,009.64

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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.