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Finding the Fourth Proportional to 1,791.71, 2,472.54 and 995.03

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Solution

The fourth proportional to 1,791.71, 2,472.54 and 995.03 is: 1,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.71 : 2,472.54 = 995.03 : x
  2. Step 2: Convert to fraction form
    1,791.71/2,472.54 = 995.03/x
  3. Step 3: Cross multiply
    1,791.71x = 2,472.54 × 995.03
  4. Step 4: Simplify right side
    1,791.71x = 2,460,239.11
  5. Step 5: Solve for x
    x = 2,460,239.11/1,791.71
  6. Step 6: Final answer
    x = 1,373.13

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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.