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Finding the Fourth Proportional to 6,424,676.98, 8,865,894.41 and 3,671,189.71

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Solution

The fourth proportional to 6,424,676.98, 8,865,894.41 and 3,671,189.71 is: 5,066,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424,676.98 : 8,865,894.41 = 3,671,189.71 : x
  2. Step 2: Convert to fraction form
    6,424,676.98/8,865,894.41 = 3,671,189.71/x
  3. Step 3: Cross multiply
    6,424,676.98x = 8,865,894.41 × 3,671,189.71
  4. Step 4: Simplify right side
    6,424,676.98x = 32,548,380,327,938.52
  5. Step 5: Solve for x
    x = 32,548,380,327,938.52/6,424,676.98
  6. Step 6: Final answer
    x = 5,066,150.47

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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.