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Finding the Fourth Proportional to 17,779.69, 26,677.23 and 9,457.75

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Solution

The fourth proportional to 17,779.69, 26,677.23 and 9,457.75 is: 14,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,779.69 : 26,677.23 = 9,457.75 : x
  2. Step 2: Convert to fraction form
    17,779.69/26,677.23 = 9,457.75/x
  3. Step 3: Cross multiply
    17,779.69x = 26,677.23 × 9,457.75
  4. Step 4: Simplify right side
    17,779.69x = 252,306,572.03
  5. Step 5: Solve for x
    x = 252,306,572.03/17,779.69
  6. Step 6: Final answer
    x = 14,190.72

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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.