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Finding the Fourth Proportional to 1,846.88, 2,769.12 and 751.36

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Solution

The fourth proportional to 1,846.88, 2,769.12 and 751.36 is: 1,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.88 : 2,769.12 = 751.36 : x
  2. Step 2: Convert to fraction form
    1,846.88/2,769.12 = 751.36/x
  3. Step 3: Cross multiply
    1,846.88x = 2,769.12 × 751.36
  4. Step 4: Simplify right side
    1,846.88x = 2,080,606.00
  5. Step 5: Solve for x
    x = 2,080,606.00/1,846.88
  6. Step 6: Final answer
    x = 1,126.55

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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.