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Finding the Fourth Proportional to 1,841, 2,540.58 and 1,013

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Solution

The fourth proportional to 1,841, 2,540.58 and 1,013 is: 1,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841 : 2,540.58 = 1,013 : x
  2. Step 2: Convert to fraction form
    1,841/2,540.58 = 1,013/x
  3. Step 3: Cross multiply
    1,841x = 2,540.58 × 1,013
  4. Step 4: Simplify right side
    1,841x = 2,573,607.54
  5. Step 5: Solve for x
    x = 2,573,607.54/1,841
  6. Step 6: Final answer
    x = 1,397.94

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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.