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Finding the Fourth Proportional to 7,459.92, 11,191.21 and 3,074.98

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Solution

The fourth proportional to 7,459.92, 11,191.21 and 3,074.98 is: 4,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.92 : 11,191.21 = 3,074.98 : x
  2. Step 2: Convert to fraction form
    7,459.92/11,191.21 = 3,074.98/x
  3. Step 3: Cross multiply
    7,459.92x = 11,191.21 × 3,074.98
  4. Step 4: Simplify right side
    7,459.92x = 34,412,746.93
  5. Step 5: Solve for x
    x = 34,412,746.93/7,459.92
  6. Step 6: Final answer
    x = 4,613.02

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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.