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Finding the Fourth Proportional to 3,743.28, 5,614.83 and 969.93

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Solution

The fourth proportional to 3,743.28, 5,614.83 and 969.93 is: 1,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.28 : 5,614.83 = 969.93 : x
  2. Step 2: Convert to fraction form
    3,743.28/5,614.83 = 969.93/x
  3. Step 3: Cross multiply
    3,743.28x = 5,614.83 × 969.93
  4. Step 4: Simplify right side
    3,743.28x = 5,445,992.06
  5. Step 5: Solve for x
    x = 5,445,992.06/3,743.28
  6. Step 6: Final answer
    x = 1,454.87

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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.