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Finding the Fourth Proportional to 7,061.91, 10,592.61 and 2,131.42

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Solution

The fourth proportional to 7,061.91, 10,592.61 and 2,131.42 is: 3,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,061.91 : 10,592.61 = 2,131.42 : x
  2. Step 2: Convert to fraction form
    7,061.91/10,592.61 = 2,131.42/x
  3. Step 3: Cross multiply
    7,061.91x = 10,592.61 × 2,131.42
  4. Step 4: Simplify right side
    7,061.91x = 22,577,300.81
  5. Step 5: Solve for x
    x = 22,577,300.81/7,061.91
  6. Step 6: Final answer
    x = 3,197.05

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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.