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Finding the Fourth Proportional to 19,462.72, 29,194.11 and 6,316.12

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Solution

The fourth proportional to 19,462.72, 29,194.11 and 6,316.12 is: 9,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,462.72 : 29,194.11 = 6,316.12 : x
  2. Step 2: Convert to fraction form
    19,462.72/29,194.11 = 6,316.12/x
  3. Step 3: Cross multiply
    19,462.72x = 29,194.11 × 6,316.12
  4. Step 4: Simplify right side
    19,462.72x = 184,393,502.05
  5. Step 5: Solve for x
    x = 184,393,502.05/19,462.72
  6. Step 6: Final answer
    x = 9,474.19

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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.