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Finding the Fourth Proportional to 6,086,648.72, 8,399,828.40 and 3,370,394.72

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Solution

The fourth proportional to 6,086,648.72, 8,399,828.40 and 3,370,394.72 is: 4,651,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086,648.72 : 8,399,828.40 = 3,370,394.72 : x
  2. Step 2: Convert to fraction form
    6,086,648.72/8,399,828.40 = 3,370,394.72/x
  3. Step 3: Cross multiply
    6,086,648.72x = 8,399,828.40 × 3,370,394.72
  4. Step 4: Simplify right side
    6,086,648.72x = 28,310,737,288,266.05
  5. Step 5: Solve for x
    x = 28,310,737,288,266.05/6,086,648.72
  6. Step 6: Final answer
    x = 4,651,284.90

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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.