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Finding the Fourth Proportional to 6,795,369.28, 9,375,498.42 and 3,854,701.72

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Solution

The fourth proportional to 6,795,369.28, 9,375,498.42 and 3,854,701.72 is: 5,318,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,795,369.28 : 9,375,498.42 = 3,854,701.72 : x
  2. Step 2: Convert to fraction form
    6,795,369.28/9,375,498.42 = 3,854,701.72/x
  3. Step 3: Cross multiply
    6,795,369.28x = 9,375,498.42 × 3,854,701.72
  4. Step 4: Simplify right side
    6,795,369.28x = 36,139,749,885,431.28
  5. Step 5: Solve for x
    x = 36,139,749,885,431.28/6,795,369.28
  6. Step 6: Final answer
    x = 5,318,290.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.