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Finding the Fourth Proportional to 1,937.73, 2,674.09 and 1,053.55

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Solution

The fourth proportional to 1,937.73, 2,674.09 and 1,053.55 is: 1,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.73 : 2,674.09 = 1,053.55 : x
  2. Step 2: Convert to fraction form
    1,937.73/2,674.09 = 1,053.55/x
  3. Step 3: Cross multiply
    1,937.73x = 2,674.09 × 1,053.55
  4. Step 4: Simplify right side
    1,937.73x = 2,817,296.23
  5. Step 5: Solve for x
    x = 2,817,296.23/1,937.73
  6. Step 6: Final answer
    x = 1,453.91

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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.