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Finding the Fourth Proportional to 16,395,938.80, 24,593,908.20 and 5,034,911.20

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Solution

The fourth proportional to 16,395,938.80, 24,593,908.20 and 5,034,911.20 is: 7,552,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,395,938.80 : 24,593,908.20 = 5,034,911.20 : x
  2. Step 2: Convert to fraction form
    16,395,938.80/24,593,908.20 = 5,034,911.20/x
  3. Step 3: Cross multiply
    16,395,938.80x = 24,593,908.20 × 5,034,911.20
  4. Step 4: Simplify right side
    16,395,938.80x = 123,828,143,847,951.84
  5. Step 5: Solve for x
    x = 123,828,143,847,951.84/16,395,938.80
  6. Step 6: Final answer
    x = 7,552,366.80

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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.