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Finding the Fourth Proportional to 2,141.71, 3,212.16 and 1,044.97

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Solution

The fourth proportional to 2,141.71, 3,212.16 and 1,044.97 is: 1,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.71 : 3,212.16 = 1,044.97 : x
  2. Step 2: Convert to fraction form
    2,141.71/3,212.16 = 1,044.97/x
  3. Step 3: Cross multiply
    2,141.71x = 3,212.16 × 1,044.97
  4. Step 4: Simplify right side
    2,141.71x = 3,356,610.84
  5. Step 5: Solve for x
    x = 3,356,610.84/2,141.71
  6. Step 6: Final answer
    x = 1,567.26

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1.5x scale

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.