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Finding the Fourth Proportional to 61,804.83, 92,676.55 and 19,679.41

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Solution

The fourth proportional to 61,804.83, 92,676.55 and 19,679.41 is: 29,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,804.83 : 92,676.55 = 19,679.41 : x
  2. Step 2: Convert to fraction form
    61,804.83/92,676.55 = 19,679.41/x
  3. Step 3: Cross multiply
    61,804.83x = 92,676.55 × 19,679.41
  4. Step 4: Simplify right side
    61,804.83x = 1,823,819,958.13
  5. Step 5: Solve for x
    x = 1,823,819,958.13/61,804.83
  6. Step 6: Final answer
    x = 29,509.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.