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Finding the Fourth Proportional to 5,348.40, 8,020.76 and 2,061.22

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Solution

The fourth proportional to 5,348.40, 8,020.76 and 2,061.22 is: 3,091.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.40 : 8,020.76 = 2,061.22 : x
  2. Step 2: Convert to fraction form
    5,348.40/8,020.76 = 2,061.22/x
  3. Step 3: Cross multiply
    5,348.40x = 8,020.76 × 2,061.22
  4. Step 4: Simplify right side
    5,348.40x = 16,532,550.93
  5. Step 5: Solve for x
    x = 16,532,550.93/5,348.40
  6. Step 6: Final answer
    x = 3,091.12

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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.