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Finding the Fourth Proportional to 9,904,704.90, 13,876,034.70 and 9,904,704.90

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Solution

The fourth proportional to 9,904,704.90, 13,876,034.70 and 9,904,704.90 is: 13,876,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904,704.90 : 13,876,034.70 = 9,904,704.90 : x
  2. Step 2: Convert to fraction form
    9,904,704.90/13,876,034.70 = 9,904,704.90/x
  3. Step 3: Cross multiply
    9,904,704.90x = 13,876,034.70 × 9,904,704.90
  4. Step 4: Simplify right side
    9,904,704.90x = 137,438,028,885,660.03
  5. Step 5: Solve for x
    x = 137,438,028,885,660.03/9,904,704.90
  6. Step 6: Final answer
    x = 13,876,034.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.