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Finding the Fourth Proportional to 2,756.44, 3,803.46 and 1,762.60

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Solution

The fourth proportional to 2,756.44, 3,803.46 and 1,762.60 is: 2,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.44 : 3,803.46 = 1,762.60 : x
  2. Step 2: Convert to fraction form
    2,756.44/3,803.46 = 1,762.60/x
  3. Step 3: Cross multiply
    2,756.44x = 3,803.46 × 1,762.60
  4. Step 4: Simplify right side
    2,756.44x = 6,703,978.60
  5. Step 5: Solve for x
    x = 6,703,978.60/2,756.44
  6. Step 6: Final answer
    x = 2,432.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.