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Finding the Fourth Proportional to 6,335,112.88, 8,749,672.85 and 4,294,379.44

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Solution

The fourth proportional to 6,335,112.88, 8,749,672.85 and 4,294,379.44 is: 5,931,135.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,335,112.88 : 8,749,672.85 = 4,294,379.44 : x
  2. Step 2: Convert to fraction form
    6,335,112.88/8,749,672.85 = 4,294,379.44/x
  3. Step 3: Cross multiply
    6,335,112.88x = 8,749,672.85 × 4,294,379.44
  4. Step 4: Simplify right side
    6,335,112.88x = 37,574,415,166,222.33
  5. Step 5: Solve for x
    x = 37,574,415,166,222.33/6,335,112.88
  6. Step 6: Final answer
    x = 5,931,135.86

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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.