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Finding the Fourth Proportional to 54,779.60, 82,023.60 and 34,950.80

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Solution

The fourth proportional to 54,779.60, 82,023.60 and 34,950.80 is: 52,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,779.60 : 82,023.60 = 34,950.80 : x
  2. Step 2: Convert to fraction form
    54,779.60/82,023.60 = 34,950.80/x
  3. Step 3: Cross multiply
    54,779.60x = 82,023.60 × 34,950.80
  4. Step 4: Simplify right side
    54,779.60x = 2,866,790,438.88
  5. Step 5: Solve for x
    x = 2,866,790,438.88/54,779.60
  6. Step 6: Final answer
    x = 52,333.18

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