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Finding the Fourth Proportional to 6,483,897.85, 8,947,537 and 3,731,010.39

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Solution

The fourth proportional to 6,483,897.85, 8,947,537 and 3,731,010.39 is: 5,148,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483,897.85 : 8,947,537 = 3,731,010.39 : x
  2. Step 2: Convert to fraction form
    6,483,897.85/8,947,537 = 3,731,010.39/x
  3. Step 3: Cross multiply
    6,483,897.85x = 8,947,537 × 3,731,010.39
  4. Step 4: Simplify right side
    6,483,897.85x = 33,383,353,511,909.43
  5. Step 5: Solve for x
    x = 33,383,353,511,909.43/6,483,897.85
  6. Step 6: Final answer
    x = 5,148,655.07

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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.