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Finding the Fourth Proportional to 27,779.05, 41,678.30 and 8,058.79

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Solution

The fourth proportional to 27,779.05, 41,678.30 and 8,058.79 is: 12,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.05 : 41,678.30 = 8,058.79 : x
  2. Step 2: Convert to fraction form
    27,779.05/41,678.30 = 8,058.79/x
  3. Step 3: Cross multiply
    27,779.05x = 41,678.30 × 8,058.79
  4. Step 4: Simplify right side
    27,779.05x = 335,876,667.26
  5. Step 5: Solve for x
    x = 335,876,667.26/27,779.05
  6. Step 6: Final answer
    x = 12,091.01

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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.