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Finding the Fourth Proportional to 1,847.39, 2,768.67 and 750.47

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Solution

The fourth proportional to 1,847.39, 2,768.67 and 750.47 is: 1,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.39 : 2,768.67 = 750.47 : x
  2. Step 2: Convert to fraction form
    1,847.39/2,768.67 = 750.47/x
  3. Step 3: Cross multiply
    1,847.39x = 2,768.67 × 750.47
  4. Step 4: Simplify right side
    1,847.39x = 2,077,803.13
  5. Step 5: Solve for x
    x = 2,077,803.13/1,847.39
  6. Step 6: Final answer
    x = 1,124.73

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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.