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Finding the Fourth Proportional to 1,895.74, 2,843.46 and 741.50

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Solution

The fourth proportional to 1,895.74, 2,843.46 and 741.50 is: 1,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.74 : 2,843.46 = 741.50 : x
  2. Step 2: Convert to fraction form
    1,895.74/2,843.46 = 741.50/x
  3. Step 3: Cross multiply
    1,895.74x = 2,843.46 × 741.50
  4. Step 4: Simplify right side
    1,895.74x = 2,108,425.59
  5. Step 5: Solve for x
    x = 2,108,425.59/1,895.74
  6. Step 6: Final answer
    x = 1,112.19

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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.