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Finding the Fourth Proportional to 7,061.85, 10,592.84 and 2,131.53

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Solution

The fourth proportional to 7,061.85, 10,592.84 and 2,131.53 is: 3,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,061.85 : 10,592.84 = 2,131.53 : x
  2. Step 2: Convert to fraction form
    7,061.85/10,592.84 = 2,131.53/x
  3. Step 3: Cross multiply
    7,061.85x = 10,592.84 × 2,131.53
  4. Step 4: Simplify right side
    7,061.85x = 22,578,921.85
  5. Step 5: Solve for x
    x = 22,578,921.85/7,061.85
  6. Step 6: Final answer
    x = 3,197.31

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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.