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Finding the Fourth Proportional to 9,985,204.38, 14,978,658.46 and 3,507,713.62

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Solution

The fourth proportional to 9,985,204.38, 14,978,658.46 and 3,507,713.62 is: 5,261,869.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,204.38 : 14,978,658.46 = 3,507,713.62 : x
  2. Step 2: Convert to fraction form
    9,985,204.38/14,978,658.46 = 3,507,713.62/x
  3. Step 3: Cross multiply
    9,985,204.38x = 14,978,658.46 × 3,507,713.62
  4. Step 4: Simplify right side
    9,985,204.38x = 52,540,844,289,470.23
  5. Step 5: Solve for x
    x = 52,540,844,289,470.23/9,985,204.38
  6. Step 6: Final answer
    x = 5,261,869.69

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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.