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Finding the Fourth Proportional to 1,743.28, 2,614.92 and 589

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Solution

The fourth proportional to 1,743.28, 2,614.92 and 589 is: 883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.28 : 2,614.92 = 589 : x
  2. Step 2: Convert to fraction form
    1,743.28/2,614.92 = 589/x
  3. Step 3: Cross multiply
    1,743.28x = 2,614.92 × 589
  4. Step 4: Simplify right side
    1,743.28x = 1,540,187.88
  5. Step 5: Solve for x
    x = 1,540,187.88/1,743.28
  6. Step 6: Final answer
    x = 883.50

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Similar ratio
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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.