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Finding the Fourth Proportional to 3,510.91, 4,844.93 and 1,938.97

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Solution

The fourth proportional to 3,510.91, 4,844.93 and 1,938.97 is: 2,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.91 : 4,844.93 = 1,938.97 : x
  2. Step 2: Convert to fraction form
    3,510.91/4,844.93 = 1,938.97/x
  3. Step 3: Cross multiply
    3,510.91x = 4,844.93 × 1,938.97
  4. Step 4: Simplify right side
    3,510.91x = 9,394,164.23
  5. Step 5: Solve for x
    x = 9,394,164.23/3,510.91
  6. Step 6: Final answer
    x = 2,675.71

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Double scale
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1.5x scale

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.