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Finding the Fourth Proportional to 35,011,504.80, 52,481,827.80 and 20,627,168.40

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Solution

The fourth proportional to 35,011,504.80, 52,481,827.80 and 20,627,168.40 is: 30,919,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,011,504.80 : 52,481,827.80 = 20,627,168.40 : x
  2. Step 2: Convert to fraction form
    35,011,504.80/52,481,827.80 = 20,627,168.40/x
  3. Step 3: Cross multiply
    35,011,504.80x = 52,481,827.80 × 20,627,168.40
  4. Step 4: Simplify right side
    35,011,504.80x = 1,082,551,499,970,401.38
  5. Step 5: Solve for x
    x = 1,082,551,499,970,401.38/35,011,504.80
  6. Step 6: Final answer
    x = 30,919,879.23

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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.