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Finding the Fourth Proportional to 6,039.40, 9,061.80 and 2,750.80

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Solution

The fourth proportional to 6,039.40, 9,061.80 and 2,750.80 is: 4,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,039.40 : 9,061.80 = 2,750.80 : x
  2. Step 2: Convert to fraction form
    6,039.40/9,061.80 = 2,750.80/x
  3. Step 3: Cross multiply
    6,039.40x = 9,061.80 × 2,750.80
  4. Step 4: Simplify right side
    6,039.40x = 24,927,199.44
  5. Step 5: Solve for x
    x = 24,927,199.44/6,039.40
  6. Step 6: Final answer
    x = 4,127.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.